==== ISTC file - Library codes ====

Owners of incunabula: CODE TO FULL NAME (For full name to code, click [[:resources:hpb:content:full_names_to_codes|here]])

[[:resources:hpb:content:codes_to_full_names#A|A]] [[:resources:hpb:content:codes_to_full_names#B|B]]
[[:resources:hpb:content:codes_to_full_names#C|C]]
[[:resources:hpb:content:codes_to_full_names#D|D]]
[[:resources:hpb:content:codes_to_full_names#E|E]] 
[[:resources:hpb:content:codes_to_full_names#F|F]]
[[:resources:hpb:content:codes_to_full_names#G|G]]
[[:resources:hpb:content:codes_to_full_names#H|H]]
[[:resources:hpb:content:codes_to_full_names#I|I]] 
[[:resources:hpb:content:codes_to_full_names#J|J]]
[[:resources:hpb:content:codes_to_full_names#K|K]]
[[:resources:hpb:content:codes_to_full_names#L|L]]
[[:resources:hpb:content:codes_to_full_names#M|M]] 
[[:resources:hpb:content:codes_to_full_names#N|N]]
[[:resources:hpb:content:codes_to_full_names#O|O]]
[[:resources:hpb:content:codes_to_full_names#P|P]]
[[:resources:hpb:content:codes_to_full_names#Q|Q]] 
[[:resources:hpb:content:codes_to_full_names#R|R]]
[[:resources:hpb:content:codes_to_full_names#S|S]]
[[:resources:hpb:content:codes_to_full_names#T|T]]
[[:resources:hpb:content:codes_to_full_names#U|U]] 
[[:resources:hpb:content:codes_to_full_names#V|V]]
[[:resources:hpb:content:codes_to_full_names#W|W]]
[[:resources:hpb:content:codes_to_full_names#X|X]]
[[:resources:hpb:content:codes_to_full_names#Y|Y]] 
[[:resources:hpb:content:codes_to_full_names#Z|Z]]

== A ==
<block tableinvisible>
| AAHj | Arthur A. Houghton, Jr., Queenstown MD, USA |
| Aarau KantB | Aargauische Kantonsbibliothek, Aarau, Switzerland |
| AASL | American Antiquarian Society, Worcester MA, USA |
| AB(NY)L | Association of the Bar of the City of New York, New York NY, USA |
| Aberystwyth NLW | National Library of Wales, Aberystwyth, UK |
| ABSL | American Bible Society, New York NY, USA |
| ACB | Alta California Bookstore (booksellers), Berkeley CA, USA |
| ACH | Anna C. Hoyt, Brookline MA, USA |
| ACP | Arthur C. Piepkorn, Clayton MO, USA |
| AD | Albert Doezema, Grand Rapids MI, USA |
| Adelaide Royal Geographical Society | Australia |
| Adelaide SL | Australia |
| Adelaide UL | Australia |
| AELow | Albert E. Lownes, Providence RI, USA |
| AES | A.E.Skinner, Austin TX, USA |
| AEV | Arthur E. Vershbow, Newton Centre MA, USA |
| AGj | Arthur Goldsmith, Clarksville, Tennessee, USA |
| AGSL | American Geographical Society, New York NY, USA |
| AH | Arthur Haddaway, Fort Worth TX, USA |
| AHR | Arthur H. Raynolds, M.D., New York NY, USA |
| AJB | Alfred J. Brown, M.D., Omaha NE, USA |
| AlbMCL | Albertus Magnus College, New Haven CT, USA |
| ALCas | Mrs.Alfred L. Castle, Honolulu HI, USA |
| AlCL | Albion College, Albion MI, USA |
| ALdR | A. Luini del Russo, M.D., Silver Spring MD, USA |
| ALG | Arthur L. Gale, New York NY, USA |
| ALGab | Astrik. L. Gabriel, Notre Dame IN, USA |
| AlvCL | Alverno College, Milwaukee WI, USA |
| AM | Acisclo Marxuach, Santurce PR, USA |
| AmBML | Annmary Brown Memorial Library, Brown University, Providence RI, USA |
| AmCL | Amherst College, Amherst MA, USA |
| AMG | Albert M. Grier, Larchmont PA, USA |
| AMH | Alfred M. Hellman, M.D., New York NY, USA |
| Amiens BM | Bibliothèque Municipale, Amiens, France |
| Amsterdam UB | Universiteitsbibliotheek, Amsterdam, The Netherlands |
| AMTu | Albert Morton Turner, Orono ME, USA |
| Annaberg-Buchholz K | St Annengemeinde, Hauptkirche, Annaberg-Buchholz, Germany |
| ANTSL | Andover Newton Theological School, Newton Centre MA, USA |
| Antwerpen MPM | Museum Plantin-Moretus, Antwerp, Belgium |
| Antwerpen O.L.V.-College | O.L.V.-College (Jesuits), Antwerp, Belgium |
| AP | Arne Pettersen, Tuckahoe NY, USA (collection in process of dispersal) |
| APR | Alexander P. Rosenberg, New York NY, USA |
| APSL |American Philosophical Society, Philadelphia PA, USA |
| APSy | Albert Philip Sy, Buffalo NY, USA |
| Arco Franc | Biblioteca dei Francescani, Arco (Trento), Italy |
| Arezzo Cons | Biblioteca Consorziale, Arezzo, Italy |
| Aschaffenburg HB Dlg.StiftsB | Stiftsbibliothek (housed in the Hofbibliothek), Aschaffenburg, Germany |
| ASCL | Arizona State College, Matthews Library, Tempe AZ, USA |
| ASKB | Brown, Anne S.K. (Mrs. John Nicholas Brown), Providence RI, USA |
| Assisi C | Biblioteca Comunale, Assisi, Italy |
| Athens NL | Ethnike Bibliotheke (National Library), Athens, Greece |
| Atlantic School of Theology | Halifax, Nova Scotia, Canada |
| ATS(H)L | Andover-Harvard Theological Library, Cambridge MA, USA |
| Auckland PL | Auckland Public Library, Auckland, New Zealand |
| Auckland St John's College | New Zealand |
| Auckland UL | New Zealand |
| AugCL | Augustana College, Denkmann Memorial Library, Rock Island IL, USA |
| Augsburg SStB | Staats- und Stadtbibliothek, Augsburg, Germany |
| AUnL | American University, Washington DC, USA |
| Avellino P | Biblioteca Provinciale, Avellino, Italy |
| Avignon BM | Bibliothèque Municipale, Avignon, France |
| AWVanS | Annie White Van Sinderen (Mrs. Adrian Van Sinderen), Brooklyn NY, USA (deceased 1968) |
</block>
== B ==
<block tableinvisible>
| B&M | Bennett and Marshall (booksellers), Los Angeles CA, USA |
| BA | Ben Adams, Elmont NY, USA |
| BakL | Bakken Library of Electricity in Life, Minneapolis MN, USA |
| Bamberg SB | Staatsbibliothek, Bamberg, Germany |
| BanPL | Bangor Public Library, Bangor ME, USA |
| Barcelona BCatal | Biblioteca de Cataluña, Barcelona, Spain |
| Barcelona BPFC | Biblioteca Provincial de los Franciscanos de Cataluña, Barcelona, Spain [IBE] |
| Barcelona BU | Biblioteca Universitaria, Barcelona, Spain |
| Basel UB | Universitätsbibliothek, Basle, Switzerland |
| BAthL | Boston Athenaeum, Boston MA, USA |
| BaUL | Baker University Library, Baldwin KS, USA |
| BColL | Boston College Library, Chestnut Hill MA, USA |
| BCPL | Bay City Public Library, Bay City MI, USA |
| BDSL | Berkeley Divinity School, New Haven CT, USA |
| BECPL | Buffalo and Erie County Public Library, Buffalo NY, USA |
| Belluno Loll | Biblioteca Capitolare Lolliana, Belluno, Italy |
| Bergamo C | Biblioteca Comunale, Bergamo, Italy |
| Berlin SBPK | Staatsbibliothek zu Berlin (Preussischer Kulturbesitz), Berlin, Germany [Voull(B), Schmitt] |
| Bern StUB | Stadt- und Universitätsbibliothek, Bern, Switzerland |
| Besançon BM | Bibliothèque Municipale, Besançon, France |
| BexCML | Bexar County Medical Library, San Antonio TX, USA |
| BG | Ben Grauer, New York NY, USA |
| BirL | Birchard Library, Fremont OH, USA |
| Birmingham UL | University Library, Birmingham, UK |
| Blackburn Museum | Blackburn Museum, Blackburn, Lancashire, UK |
| BLU | Berthold L. Ullman, Chapel Hill NC, USA |
| BlumL | Blumhaven Library and Gallery, Philadelphia PA, USA |
| BMawrCL | Bryn Mawr College, Marjorie Goodheart Medieval Library, Bryn Mawr PA, USA |
| BMR | Bernard M. Rosenthal, Inc. (booksellers), San Francisco CA, USA |
| BMSL | Buffalo Museum of Science (Buffalo Society of Natural Sciences), Buffalo NY, USA |
| Bogotá Bibl. Arango | Colombia |
| Bogotá Univ. de los Andes BU | Colombia |
| Bologna C | Biblioteca Comunale dell'Archiginnasio, Bologna, Italy |
| Bologna Facoltà di Lettere | Facoltà di Lettere, Università di Bologna, Bologna, Italy |
| Bologna U | Biblioteca Universitaria, Bologna, Italy |
| Bombay Royal Asiatic Society | India |
| Bombay UL | India |
| Bonn UB | Universitätsbibliothek, Bonn, Germany |
| Bordeaux BM | Bibliothèque Municipale, Bordeaux, France |
| BostUL | Boston University, The Chenery Library, Boston MA, USA |
| Bourges BM | Bibliothèque Municipale, Bourges, France |
| BowCL | Bowdoin College, Brunswick ME, USA |
| BPen | Boies Penrose, Devon PA, USA |
| BPJ | Biblioteca Publica del Estado de Jalisco, Guadalajara (Jalisco), Mexico |
| BPubL | Boston Public Library, Boston, Mass, USA |
| BrandUL | Brandeis University Library, Waltham MA, USA |
| Bratislava UKn | Universitní Knihovna, Bratislava, Slovakia |
| BRD | Ben R. Donaldson, Detroit MI, USA |
| Brescia C | Biblioteca Comunale, Brescia, Italy |
| Bressanone Sem | Biblioteca del Seminario Vescovile Maggiore, Bressanone (Bolzano), Italy |
| Brighton PL | Public Library, Brighton, Sussex, UK |
| Brighton, Sussex UL | Sussex University Library, Brighton, Sussex, UK |
| Brisbane Queensland UL | Australia |
| Brisbane SL | Australia |
| Brno SKn | Státní Knihovna, Brno, Czech Republic |
| Brugge SA | Stadsarchief, Bruges, Belgium |
| BrUL | Brown University, John Hay Library, Providence RI, USA |
| Brussels BR | Bibliothèque Royale Albert Premier, Brussels, Belgium |
| BT | Mrs. Bayard Turnbull, Towson MD, USA (G-360 sold to JWGL. Delete as owner) |
| BuCHSL | Bucks County Historical Society, Doylestown PA, USA |
| Budapest Acad | Bibliotheca Academiae Scientiarum Hungaricae, Budapest, Hungary |
| Budapest Bibl Nat | Bibliotheca Nationalis, Budapest, Hungary |
| Budapest Piar | Bibliotheca Centralis Ordinis Scholarum Piarum, |
| Budapest, Hungary |
| Budapest R day | Bibliotheca Superintendentiae Reformatae R day, |
| Budapest, Hungary |
| Budapest Univ | Bibliotheca Universitatis, Budapest, Hungary |
| Buenos Aires BN | Argentina |
| BurL | Burndy Library, Norwalk,Connecticut, USA (most to Sm(D)L) |
</block>
== C ==
<block tableinvisible>
| C-RDSL | Colgate-Rochester Divinity School, Rochester NY, USA |
| CAbL | Conception Abbey Library, Conception MO, USA |
| CaClL | Catholic Club of the City of New York, New York NY, USA |
| Caen BM | Bibliothèque Municipale, Caen, France |
| CAF | Charles A. Foster, Washington D.C., USA |
| Cagliari U | Biblioteca Universitaria, Cagliari (Sardinia), Italy |
| Calcutta Asiatic Society of Bengal | India |
| Calcutta National Library |India |
| Calgary UL | Canada |
| CalWUL | California Western University, San Diego CA, USA |
| CAM | Cyril A. Mango, Washington DC, USA |
| Cambridge Corpus Christi College | Cambridge UK |
| Cambridge King's College | Cambridge UK |
| Cambridge St Catharine's College | Cambridge UK |
| Cambridge St John's College | Cambridge UK |
| Cambridge Trinity College | Cambridge UK |
| Cambridge UL | University Library, Cambridge, UK |
| Camerino C | Biblioteca Comunale, Camerino, Italy |
| CAML | Cincinnati Art Museum Library, Cincinnati OH, USA |
| Canberra NL | Australia |
| Canterbury (NZ) UL | New Zealand |
| Cap(M)L | Capuchin Library, St. Anthony Friary, Marathon WI. USA |
| CapCL | Capuchin College, Washington DC, USA |
| Cape Town Archdiocese | South Africa |
| Cape Town South African Library | South Africa |
| Cape Town UL | South Africa |
| Car(A)L | Carnegie Library of Pittsburgh, Allegheny Regional Branch, Pittsburgh PA, USA |
| Caracas Academia Nacional de la Historia | Venezuala |
| Caracas BN | Venezuala |
| Cardiff PL | Public Library, Cardiff, UK |
| CarFL | Carthusian Foundation, Arlington VT, USA |
| CarL | Carnegie Library of Pittsburgh, Pittsburgh PA, USA |
| CBGTU | Graduate Theological Union, Berkeley CA, USA |
| CBPac | Pacific School of Religion, Berkeley CA, USA |
| CC(NY)L | The City College, New York NY, USA |
| CCL | Connecticut College, New London CT, USA |
| CCR | Charles C. Ryrie, Dallas TX, USA |
| CCT | Charles C. Tandy, M.D., |
| CdelCL | La Casa del Libro (formerly "Calle del Cristo 255") San Juan PR, USA |
| CDH | Charles D. Humberd, M.D., Barnard MO, USA |
| CDHP C. | Doris Hellman Pepper (Mrs. Morton Pepper) New York NY, USA |
| CenBC | Central Book Company (booksellers), Brooklyn NY, USA |
| CenClL | The Century Association, New York NY, USA |
| CERj | Charles E. Roseman, Jr., Cleveland Heights OH, USA |
| Ceské Budejovice SKn | Státní Knihovna, Ceské Budejovice, Czech Republic |
| Cesky Krumlov PrelKn | Preltska Knihovna, Cesky Krumlov, Czech Republic |
| CEW | Charles E. Weber, Tulsa OK, USA |
| Châlons BM | Bibliothèque Municipale, Châlons-sur-Marne, France |
| Chantilly MCondé | Cabinet des livres, Musée Condé, Chantilly, France |
| Chapin Lib | Chapin Library, Williams College, Williamstown MA, USA |
| Charleville BM | Bibliothèque Municipale, Charleville, France |
| Chartres BM | Bibliothèque Municipale, Chartres, France |
| Chatsworth | Library of the Duke of Devonshire, Chatsworth, Derbyshire, UK |
| Chaumont BM | Bibliothèque Municipale, Chaumont, France |
| Chiavari Soc Econ | Biblioteca della Società Economica, Chiavari (Genova), Italy |
| Chicago UL | University of Chicago Library, Chicago IL, USA |
| ChiPL | Chicago Public Library, Chicago IL, USA |
| ChiTSL | Chicago Theological Seminary, Chicago IL, USA |
| ChL | Chapin Library, Williams College, Williamstown MA, USA |
| CHPL | Carl H. Pforzheimer Library, The Carl and Lily Pforzheimer Foundation, Inc., New York NY, USA |
| ChSHL | Church of the Sacred Heart, Province of Saint Joseph of the Capuchin Order of New York, Yonkers NY, USA |
| CHSL | Connecticut Historical Society |
| CinPL | The Public Library of Cincinnati and Hamilton County, Cincinnati OH, USA |
| CJR | Charles J. Rosenbloom, Pittsburgh PA, USA |
| CLB | Caroline L. Browne, Washington DC, USA |
| CLea | Chauncy D. Leake, Columbus OH, USA |
| CleMedL | Cleveland Medical Library Association, Cleveland OH, USA |
| CleML | Cleveland Museum of Art, Cleveland OH, USA |
| ClePL | Cleveland Public Library, Cleveland OH, USA |
| ClUL | Clark University Library, Worcester MA, USA |
| CMU(H)L | Hunt (Botanical) Collection, Carnegie Mellon University, Pittsburgh PA, USA |
| CMU(P)L | Posner Memorial Collection, Carnegie Mellon University, Pittsburgh PA, USA |
| CMUL | Carnegie Mellon University, Pittsburgh PA USA |
| CNP | Mrs. Charles N. Prothro, Wichita Falls TX, USA |
| ColCL | Colby College, Waterville ME, USA |
| ColgUL | Colgate University Library, Hamilton NY, USA |
| Colmar BM | Bibliothèque Municipale, Colmar, France |
| ColoCL | Colorado College, Coburn Library CO Springs CO, USA |
| ColU(A)L | Columbia University, Avery Library, New York NY, USA |
| ColU(L)L | Columbia University, Law Library, New York NY, USA |
| ColU(M)L | Columbia University, Medical Library, New York NY, USA |
| ColU(P)L | Columbia University, Plimpton Library, New York NY, USA |
| ColU(T)L | Columbia University, Teachers College, New York NY, USA |
| ColUL | Columbia University, Butler Library, New York NY, USA |
| Como Coll Gallio | Biblioteca del Collegio Gallio, Como, Italy |
| ConSL | Concordia Seminary, Pritzlaff Memorial Library, St. Louis MO, USA |
| Copenhagen RL | Kongelige Bibliotek (Royal Library), Copenhagen, Denmark |
| Córdoba (Argentina) UL | Argentina |
| Córdoba BCap | Biblioteca Capitular, Córdoba, Spain |
| CorMGL | Corning Museum of Glass, Corning NY, USA |
| Cornell UL | University Library, Cornell University, Ithaca, NY, USA |
| CornUL | Cornell University Libraries, Ithaca NY, USA |
| Cortona Acc Etr | Biblioteca dell'Accademia Etrusca, Cortona, Italy |
| COSA | St. Albert's Priory, Oakland CA, USA |
| CosClL | Cosmos Club, Washington DC, USA |
| CP | Clara Peck, New York NY, USA |
| CPhL | College of Physicians of Philadelphia, Philadelphia PA, USA |
| CPR | Carl P. Rollins, Estate of, New Haven CT, USA |
| Cremona G | Biblioteca Governativa, Cremona, Italy |
| Cres F | Franjevacki Samostan, Cres, Croatia |
| CS(Su)L | California State Library, Sutro Branch, San Francisco CA, USA |
| CSat | San Anselmo, San Francisco Theological Seminary, San Francisco CA, USA |
| CSL | California State Library, Sacramento CA, USA |
| CSS | Clara S. Strasburger (Mrs. Irwin Strassburger) White Plains NY, USA |
| CStL | Connecticut State Library, Hartford CT, USA |
| CStTL | College of St. Thomas, St. Paul, MN, USA |
| CTC C. | Templeton Crocker, Estate of, San Francisco CA, USA |
| CUAL | Catholic University of America, Washington DC, USA |
| Cuglieri Sem | Biblioteca del Pontificio Seminario Sardo, Cuglieri (Nuoro), Italy |
| CWA | Charles W. Andrews |
| CWH | C. Wesley, Hallett, Flushing NY, USA |
</block>

== D ==
<block tableinvisible>
| Dalhousie UL | Canada |
| DarCL | Dartmouth College, Baker Library, Hanover NH, USA |
| Darmstadt LHSB | Hessische Landes- und Hochschulbibliothek, Darmstadt, Germany |
| Daw-BS | Dawson's Book Shop, Los Angeles CA, USA |
| DayUL | University of Dayton, Dayton OH, USA |
| DB | Davenport Brown, Boston MA, USA |
| DBor | David Borowitz, Chicago IL, USA |
| DCE | Douglas C. Ewing, Princeton NJ, USA |
| DDW | Rev. D.D. Wagner, Baltimore OH, USA |
| Debrecen Coll ref | Bibliotheca Superintendentiae Reformatae, Debrecen, Hungary |
| DelBC | Delta Book Company (booksellers), Cleveland MS, USA |
| DenPL | Denver Public Library, Denver CO, USA |
| DePUL | DePaul University Libraries, Chicago IL, USA |
| DetPL | Detroit Public Library, Detroit MI, USA |
| Deventer SAB | Stads- of Athenaeumbibliotheek, Deventer, The Netherlands |
| DGW | Mrs. Donald G.Wing, Woodbridge CT, USA |
| DHHF | David H.H. Felix, Philadelphia PA, USA |
| DHG | Douglas H. Gordon, Baltimore MD, USA |
| DHS(W)L | Dominican House of Studies, Washington D., USA |
| DHW | Donald H. Williams, Kensington MD, USA |
| DIAL | Detroit Institute of Arts, Detroit MI, USA |
| Dijon BM | Bibliothèque Municipale, Dijon, France |
| DivSPhL | The Divinity School of the Protestant Episcopal Church in Philadelphia, William Bacon Stevens Library Philadelphia PA, USA |
| DJMcW | David Jackson Mc Williams San Juan PR, USA |
| DK | David Kaiser, St. Louis MO, USA |
| DMBS | David Magee Book Shop (booksellers), San Franccisco CA, USA |
| DMS | Dorothy M. Schullian, Ithaca NY, USA |
| DrCL | Dropsie College, Philadelphia PA, USA |
| Dresden LB | Sächsische Landesbibliothek, Dresden, Germany |
| Drexel UL | Drexel University Library, Philadelphia PA, USA |
| DrexIL | Drexel Institute of Technology, Philadelphia PA, USA |
| DRo | D. Rome, Seattle WA, USA |
| DrUL | Drew University, Rose Memorial Library, Madison NJ, USA |
| DTSL | Dallas Theological Seminary, Mosher Library, Dallas TX, USA |
| Dublin Trinity | Trinity College Library, Dublin, Ireland College |
| Dubrovnik D | Dominikanski Samostan, Dubrovnik, Croatia |
| Dubrovnik N | Naucna Biblioteka, Dubrovnik, Croatia |
| Dunedin Otago UL | New Zealand |
| Durban UL | South Africa |
| Durham UL | Durham University Library, Durham, UK |
| DuUL | Duke University Library, Durham NC, USA |
</block> 
== E ==
<block tableinvisible>
| Ealing PL | Ealing Public Library, London, UK |
| EAn | Ernest Angell, New York NY, USA |
| EAP | E. A. Parsons, Estate of New Orleans LA, USA |
| EB | Edwin Bachmann New, York NY, USA |
| Èberlingen LeopoldSophieB | Leopold-Sophien-Bibliothek, Èberlingen, Germany |
| EBK | Edward B. Krumbhaar, M.D., Philadelphia PA, USA |
| EBS | Elisabeth B. Steere, Ann Arbor MI, USA |
| EC | Eleanor Carey (Mrs. W. Gibson Carey), Greenwich CT |
| ECB | Eugene C. Bonniwell, Philadelphia PA |
| ECl(NY)L | The Explorers Club, New York NY, USA |
| Edinburgh NLS | National Library of Scotland, Edinburgh, UK |
| Edinburgh UL | University Library, Edinburgh, UK |
| Edmonton Alberta UL | Canada |
| EFH | Estate of Emmet Field Horine, M.D., Brooks KY, USA |
| EHC | E. H. Cushing, M.D., Washington DC, USA |
| EHFL | East Hampton Free Library, East Hampton, Long Island NY, USA |
| EHLS | Eric H. L. Sexton, Rockport ME, USA |
| EHWi | Ernest H. Wilkins, Newton Centre MA, USA |
| Einsiedeln | Benedikt Stiftsbibliothek OSB, Einsiedeln, Switzerland |
| EKN | E. Kendrick Nathan, Memphis TN |
| E&LB | Esther & Leonard Baskin, Northhampton MA, USA |
| ELDML | Edward Laurence Doheny Memorial Library, St. John's Seminary Camarillo CA, USA |
| ELMj&GM | E. L. McAdam, Jr. & George Milne, New York NY, USA |
| EMHL | Eleutherian Mills, Historical Library, Greenville DE, USA |
| Engelberg | Benedikt Stiftsbibliothek OSB, Engelberg (Obwalden), Switzerland |
| EO | Emil Offenbacher, bookseller, Jamaica, Long Island NY, USA |
| EOG | Edwin Osgood Grover, Winter Park FL, USA |
| EPFL | Enoch Pratt Free Library, Baltimore MD, USA |
| EPSD | E. Peter S. Davidson, Waldwick, NJ, USA |
| Erfurt WissAllgB | Wissenschaftliche Allgemeinbibliothek, Erfurt, Germany |
| Escorial RMon(Com) | Biblioteca de la Comunidad de PP. Agustinos, El Escorial, Spain |
| Escorial RMon | Real Biblioteca del Monasterio de San Lorenzo, El Escorial, Spain |
| EsInL | Essex Institute, Salem MA, USA |
| ESO | Edgar S. Oppenheimer, New York NY, USA |
| Eton College | Eton College Library, Eton, Berks, UK |
| ETW | Ethel Todd Woodhams to Kalamazoo College (Mrs. E. L. Woodhams), Gobles MI, USA |
| EUL | Emory University Library, Atlanta GA, USA |
| EV | Emilio Valton, Estate of Mexico City, Mexico |
| Ewd | Eunice Wead, Ann Arbor MI, USA |
| Exeter CL | Cathedral Library, Exeter, Devon, UK |
| Exeter UL | University Library, Exeter, Devon, UK |
</block>
== F ==
<block tableinvisible>
| Faenza C | Biblioteca Comunale, Faenza, Italy |
| FAG | F. A. Gilfillan, Corvallis OR, USA |
| FBA | Frederick B. Artz, Oberlin OH, USA |
| FBD | Frank B. Dains, Laurence KS, USA |
| FCBj | F.C. Benson, Jr., M.D., Philadelphia PA, USA |
| FDC | Frank D. Crane, Madison WI, USA |
| FDRL | Franklin D. Roosevelt Library, Hyde Park, New York NY, USA |
| FEG | Frank E. Gaebelein |
| Feltre Sem | Biblioteca del Seminario Vescovile, Feltre, Italy |
| Ferrara C | Biblioteca Comunale Ariostea, Ferrara, Italy |
| FEW | Florence E. Wall, New York NY, USA |
| FF(P)L | Franciscan Fathers, Paterson NJ, USA |
| FF(Q)L | Franciscan Fathers, Quincy IL, USA |
| FF(Que)L | Franciscan Fathers, Bibliotheque Antonienne, Quebec, Canada |
| FF(SB)L | Franciscan Fathers, Santa Barbara CA, USA |
| FF(SL)L | Franciscan Fathers St. Louis MO, USA |
| FFR | Francis F. Randolph, New York NY, USA |
| FGK | Frederick G. Kilgour, Hamden CT, USA |
| FIL | Franciscan Institute, Saint Bonaventure University, Saint Bonaventure, New York |
| Firenze Laur | Biblioteca Mediceo Laurenziana, Florence, Italy |
| Firenze Maruc | Biblioteca Marucelliana, Florence, Italy |
| Firenze N | Biblioteca Nazionale Centrale, Florence, Italy |
| Firenze Ricc | Biblioteca Riccardiana, Florence, Italy |
| Firenze Sem | Biblioteca del Seminario Arcivescovile, Florence, Italy |
| Fjer | Father Jerome, St. Leo FL, USA |
| FJj | Folger Johnson, Jr, Portland, Oregon |
| FJS | Francis J., Cardinal Spellman, New York NY, USA |
| FK | Francis Kettaneh, New York NY, USA |
| FKa | Frank Kacmarcik, Saint Paul, MN |
| FM | Foster Mohrhardt, Arlington VA, USA |
| FMC(C)L | Friars Minor Conventuals, Carey OH, USA |
| FMC(R)L | Friars Minor Conventuals, Rensselaer NY, USA |
| F&MCL | Franklin and Marshall College, Fackenthal Library, Lancaster PA, USA |
| FML | Franciscan Monastery Library, Washington DC, USA |
| FMR | Frances M. Rogge (Mrs. Kenneth F. Rogge), Toledo OH, USA |
| Folger Lib | The Folger Shakespeare Library, Washington DC, USA |
| FolgSL | Folger Shakespeare Library, Washington DC, USA |
| FordUL | Fordham University Library, New York NY, USA |
| ForL | Forbes Library, Northampton MA, USA |
| FPj | Frederick Pope, Jr, Fairfield CT |
| FPJon | Franklin P. Jones, Bennington VT |
| FPL | Frank P. Leslie, Minneapolis, MN |
| FPLeh | Mrs. F. P. Lehman, Miami Beach FL, USA |
| Frankfurt a.M. StUB | Stadt- und Universitätsbibliothek, Frankfurt am Main, Germany |
| FrankIL | Franklin Institute, Philadelphia PA, USA |
| Freiburg i.Br. BertholdGym | Berthold-Gymnasium, Freiburg im Breisgau, Germany |
| Freiburg i.Br. DiözesanArch | Erzbischöfliches Diözesanmuseum, Freiburg im Breisgau, Germany |
| Freiburg i.Br. UB | Universitätsbibliothek, Freiburg im Breisgau, Germany |
| FRG | Frederick R. Goff, Washington DC, USA |
| Fribourg BCantU | Bibliothèque Cantonale et Universitaire, Fribourg, Switzerland |
| FSBCL | Fifth Street Baptist Church, Hannibal MO, USA |
| FSCL | Fresno State College Library, Fresno CA, USA |
| FTH | F. Thomas Heller, bookseller, New York NY, USA |
| Fukuoka UL | Japan |
| FVdeB | Frank V. de Bellis, San Francisco CA, USA |
| FWA | Frederick W. Allsopp, Little Rock, Arkansas |
</block>
== G ==
<block tableinvisible>
| GB | George Bechtel, Chevy Chase MD, USA |
| GColL | Gannon College Library, Erie PA, USA |
| GD | Glen Dawson, PA, USAsadena CA, USA |
| Gdansk PA N | Polskiej Akademii Nauk, Gdansk, Poland |
| Gemona C | Biblioteca Civica Glemonense, Gemona (Udine), Italy |
| Genève Bodmer | Bibliotheca Bodmeriana, Cologny-Genève, Switzerland |
| Genève BPU | Bibliothèque Publique et Universitaire, Genève, Switzerland |
| GenL | Gennadius Library, Athens, Greece |
| Genova Durazzo | Biblioteca Durazzo, Genoa, Italy |
| Genova U | Biblioteca Universitaria, Genoa, Italy |
| Gent UB | Universiteitsbibliotheek, Ghent, Belgium |
| GetCL | Gettysburg College Library, Gettysburg PA, USA |
| GethAL | Our Lady of Gethsemani Abbey, Trappist KY |
| GeUL | Georgetown University, Washington DC, USA |
| GH | Gilbert Highet, New York NY, USA |
| GHB | George H. Beans, Jenkintown PA, USA |
| GHSL | George Historical Society, Savannah GA |
| Giessen UB | Universitätsbibliothek, Giessen, Germany |
| Glasgow UL (Hunterian) | Hunterian Museum, Glasgow University, Glasgow, UK |
| Glasgow UL | Glasgow University Library, Glasgow, UK |
| GLHo | George L. Howe, Fulton MD, USA |
| GM | George Milne, New York NY, USA |
| Gniezno AA | Archiwum Archidiecezjalne, Gniezno, Poland |
| GoBS | Goodspeed's Book Shop (booksellers), Boston MA, USA |
| GoCL | Goucher College, Julia Rogers Library, Baltimore MD, USA |
| Göttingen SUB | Niedersächsische Staats- und Universitätsbibliothek, Göttingen, Germany |
| Greenmeadows (NZ) Mt St Mary's College | New Zealand |
| Grenoble BM | Bibliothèque Municipale, Grenoble, France |
| GriCL | Grinnell College, Grinnell, Iowa |
| GroCIL | The Grolier Club, New York NY, USA |
| GrPL | Greenville Public Library, Greenville MS |
| Groningen UB | Universiteitsbibliotheek, Groningen, The Netherlands |
| GS | Geoffrey Steele, bookseller, Lumberville PA, USA |
| GSHj | George S. Heyer, Jr, Austin Texas |
| GTSL | General Theological Seminary, New York NY, USA |
| GU | Giorgio Uzielli, New York NY, USA |
| Guadalajara (Mexico) BPJ | Mexico |
| GWJ | Gordon W. Jones, M.D., Falmouth VA, USA |
| Gyór Semin | Bibliotheca Seminarii Episcopalis Jaurinensis, Gyór, Hungary 
</block> 
== H ==
<block tableinvisible>
| HaColL | Haverford College Library, Haverford PA, USA |
| Hague MMW | Museum Meermanno Westreenianum, The Hague, The Netherlands |
| Hague RL | Koninklijke Bibliotheek (Royal Library), The Hague, The Netherlands |
| HAL | Harry A. Levinson, bookseller, Beverly Hills CA, USA |
| Halifax (Nova Scotia) King's College UL | University Library, King's College, Halifax, Nova Scotia, Canada |
| Halle ULB | Universitäts- und Landesbibliothek Sachsen-Anhalt, Halle, Germany |
| Hamilton (Ontario) McMaster UL | Canada |
| Hamilton (Ontario) PL | Canada |
| Hamilton Coll | Hamilton College Library, Clinton NY, USA |
| Hamilton McMaster UL | McMaster University Library, Hamilton, Ontario, Canada |
| HamPL | Hamilton Public Library, Hamilton, Canada |
| HaPL | Hackley Public Library, Muskegon MI, USA |
| HarTSL | Hartford Seminary Foundation, Hartford CT, USA |
| Harv(AA)L | Harvard University, Arnold Arboretum, Jamaica Plain MA, USA |
| Harvard Medical | Harvard Medical Library, Cambridge MA, USA |
| Harvard UL | Harvard University Library, Cambridge MA, USA |
| Harv(BL)L | Harvard University, Kress Library of Business and Economics, Boston MA, USA |
| HarvCL | Harvard College Library, Houghton Library, Cambridge MA, USA |
| Harv(Div)L | Havard University, Divinity School, Cambridge MA, USA |
| Harv(F)L | Harvard University, Fogg Art Museum, Cambridge MA, USA |
| Harv (L)L | Harvard University, Law School Library, Cambridge MA, USA |
| Harv(M)L | Harvard University, School of Medicine and Public Health, Boston MA, USA |
| Havana BN | Biblioteca Nacional, Havana, Cuba |
| HavPL | Haverhill Public Library, Haverhill MA, USA |
| HAWj | Harry A. Walton, Jr, Covington VA, USA |
| H&B | Hamill & Barker (booksellers), Chicago IL, USA |
| HBF | Henry B. Fernald, Upper Montclair NJ, USA |
| HBLin | Harriet B. Lincoln, Worcester MA, USA |
| HBM | H. Bradley Martin, New York NY, USA |
| HBVP | Halsted B. Vander Poel, Rome, Italy |
| HCLip | Herbert C. Lipscomb Collection (on deposit at Randolph-Macon Woman's College), Lynchburg VA, USA |
| HD | Hugo Dalsheimer, Baltimore MD, USA |
| HDC | Homer D. Crotty, San Marino CA, USA |
| HDH | Harrison D. Horblit, New York NY, USA |
| HEHL | Henry E. Huntington Library, San Marino CA, USA |
| Heidelberg UB | Universitätsbibliothek, Heidelberg, Germany |
| Heilbronn StArch | Stadtarchiv, Heilbronn, Germany |
| HeinFL | Heineman Foundation (on deposit at Pierpont Morgan Library), New York NY, USA |
| Helsinki UL | University Library, Helsinki, Finland |
| HEWL | Department of Health, Education and Welfare, Washington DC, USA |
| HH | Herbert Howe, Madison WI, USA |
| HHu | Harold Hugo, Meriden CT, USA |
| Higashi Osaka Kinki UL | Japan |
| Higashi Osaka University of Commerce | Japan |
| Hino Meisei UL | Japan |
| Hiroshima University of Economics | Japan |
| HJS | Rev. H.J. Schroeder, River Forest IL, USA |
| HL | Honnold Library, Associated Colleges, Claremont CA, USA |
| HL(B) | Honnold Library, Associated Colleges, Claremont CA, USA |
| HLam | Harold Lamb, Beverly Hills CA, USA |
| HLR | Harold L. Ruland, Estate of, Roselle Park NJ, USA |
| HNCL | Holy Name College, Washington DC, USA |
| Hobart UL | Hobart University Library, Hobart, Tasmania, Australia
| HolCL | Hollins College Library, Lucy Winton McVitty Memorial Collection, Hollins Collection VA, USA |
| Honnold Lib | The Honnold Library, Claremont CA, USA |
| HorS(NY)L | Horticultural Society of New York, New York NY, USA |
| Houston UL | University of Houston Library, Houston TX, USA |
| HPK | Hans P. Kraus, bookseller, New York NY, USA |
| HPL | Houston Public Library, Houston TX, USA |
| HPo | Henry Posner, Pittsburgh PA, USA |
| HR | Herbert Reichner, bookseller, Stockbridge MA, USA |
| HRA | H. Richard Archer, Williamstown MA, USA |
| HS | Lt. Col. Helmuth Sorinz, Washington DC, USA |
| HSAL | Hispanic Society of America, New York NY, USA |
| HSB | Helen Safford Bonnell, Philadelphia PA, USA |
| HSERCL | Historical Society of the Evangelical and Reformed Church, Lancaster PA, USA |
| HSPaL | Historical Society of Pennsylvania, Philadelphia PA, USA |
| HSTL | Harry S. Truman Library, Independence MO, USA |
| HTML | Howard Tilton Memorial Library, Tulane University, New Orleans LA, USA |
| HUCL | Hebrew Union College Library, Cincinnati OH, USA |
| Huntington Lib | Henry E. Huntington Library, San Marino CA, USA |
| HWB | Henry W. Bopp, M.D., Terre Haute IN |
| HWe | Hollis Webster, Lexington, Massachsetts |
| HWil | Huntington Williams, M.D., Baltimore MD, USA |
</block>
== I ==
<block tableinvisible>
| ICAL | Immaculate Conception Academy, Washington DC, USA |
| Illinois UL | University of Illinois Library, Urbana-Champaign IL, USA |
| IITL | Illinois Institute of Technology, Chicago IL, USA |
| IMSL | Institute of Medieval Studies, Toronto, Canada |
| Indiana UL | The Lilly Library, University of Indiana, Bloomington IN, USA |
| InPL | Indianapolis Public Library Indianapolis IN, USA |
| InUL | Indiana University, The Lilly Library, Bloomington IN, USA |
| IoSEAL | Iowa State Education Association, Des Moines IA, USA |
| IoSL | State Library, Des Moines IA, USA |
| IR | Isaac Rivkind, M.D., New York NY, USA |
| IS | Irving Sporn, M.D., Portland ME, USA |
| ISGML | Isabella Stewart Gardner Museum, Boston MA, USA |
| ISTCL | Iowa State Teachers College, Cedar Falls IA, USA |
</block>
== J ==
<block tableinvisible>
| JBer | Julius Berzunza, Durham NH, USA |
| JBP | Rev. J. Bradford Pengelly, Oak Park IL, USA, USA |
| JCBL | John Carter Brown Library, Brown University |
| JCH | John C. Hirsch, Washington, D.C. |
| JCLor | John C. Lord Collection, On deposit at The Buffalo Historical Society, Buffalo, New York |
| JCreL | John Crerar Library, Chicago IL, USA |
| JEK | James E. Keating, Phoenix AZ |
| Jena UB | Universitätsbibliothek, Jena, Germany |
| Jerusalem JNUL | Israel |
| Jerusalem Schocken Institute | Israel |
| JFF | John F. Fleming, Inc., bookseller, New York NY, USA |
| JG | Rev. James Griffith, Brooklyn, New York |
| JGG | Juanita G. Gutman, Estate of, Baltimore MD, USA |
| JGT | Justin G. Turner, Los Angeles CA, USA |
| JGVD | James Grote VanDerpool, New York NY, USA |
| JH | John E. Hare, Quebec, Canada |
| JHN | John H. Northup, Niagara Falls NY, USA |
| JHow | John Howell (booksellers), San Francisco CA, USA |
| JHPer | James H.Pershing, Denver CO, USA |
| JHSch | John H. Scheide library, Princeton NJ, USA |
| JHUL | Johns Hopkins University Library, Baltimore MD, USA |
| JHU(F)L | Johns Hopkins University, The Laurence Hall Fowler Collection, Baltimore MD, USA |
| JHU(W)L | Johns Hopkins University, William H. Welch Medical Library, Baltimore MD, USA |
| JIRL | Jewish Institute of Religion, Hebrew Union College, New York NY, USA |
| JJBL | John J. B. Light, M.D., Lebanon PA, USA |
| JJF | Jean J. Fox, Chicago IL, USA |
| JKR | Rt. Rev. John K. Ryan, Washington DC, USA |
| JKW | J. Kemp Waldie, Toronto, Canada |
| JLH | John Louis Haney, Philadelphia PA, USA |
| JLW | James L. Weygand, Nappanee IN, USA |
| JMCj | John M. Crawford, Jr., New York NY, USA |
| JO | Joseph Onderwyzer, New York NY, USA |
| Johannesburg PL | South Africa |
| Johannesburg UL | South Africa |
| John Hirsh | John C. Hirsh, Washington, DC, USA |
| JPB | Rev. Joseph P. Bartak, Savannah GA, USA |
| JRS | John Rothwell Slater, Rochester, New York |
| JRTE | John R. Turner Ettlinger, Providence RI, USA |
| JS | John Slocum, Newport RI, USA |
| JSF | J. S. Fuchs, New York NY, USA |
| JSH | Jerome S. Hess, New York NY, USA |
| JSis | John Sisto, bookseller, Chicago IL, USA |
| JTB | John T. Bancroft, Sandy Spring MD, USA |
| JTSL | Jewish Theological Seminary of America, New York NY, USA |
| JunCL | Juniata College Library, Huntingdon PA, USA |
| JVBL | James V. Brown Library, Williamsport PA, USA, USA |
| JWDH | Josephine W. Drexel Henry, Andalusia PA, USA |
| JWGL | John Work Garrett Library, Johns Hopkins University, Baltimore MD, USA |
| JWo | Julian Wolff, M.D., New York NY, USA |
</block>
== K ==
<block tableinvisible>
| KalCL | Kalamazoo College, MI, USA |
| Kalocsa Eccl metr | Bibliotheca Ecclesiae Metropolitanae Colocensis, Kalocsa, Hungary |
| Kanazawa Institute of Technology | Japan |
| KanCPL | Kansas City Public Library, Kansas City MO, USA |
| Kansas UL | University of Kansas Library, Lawrence KS, USA |
| Katowice Sl | Biblioteka Slaska, Katowice, Poland |
| KenCL | Kenyon College Library, Gambier OH, USA |
| KenSL | Kenrick Seminary Library, St. Louis MO, USA |
| KenSUL | Kent State University Library, Kent Ohio |
| Kiel UB | Universitätsbibliothek, Kiel, Germany |
| Kielce WM | Wojewódzka i Miejksa Biblioteka Publiczna, Kielce, Poland |
| Kiev Akad | Akademiya Nauk, Kiev, Ukraine |
| Kimberley PL | South Africa |
| Kingston (Ontario) Queen's UL | Canada |
| Klosterneuburg Aug | Augustiner-Chorherrenstift, Klosterneuburg, Austria |
| KLS | Kurt L. Schwarz, Beverly Hills CA, USA |
| KN | Kenneth Nebenzahl, bookseller, Chicago IL, USA |
| Kobe Shinwa Women's College | Japan |
| Kobe UL | Japan |
| Koblenz StB | Stadtbibliothek, Koblenz, Germany |
| Kokubunji Tokyo Keizai UL | Japan |
| Köln UStB | Universitäts- und Stadtbibliothek, Cologne, Germany |
| Koper F | Franciskanski Samostan, Koper, Slovenia |
| Kosljun F | Franjevacki Samostan, Kosljun, Croatia |
| Kraków Czap | Biblioteka Kapitulna, Kraków, Poland |
| Kraków J | Biblioteka Jagiellonska, Kraków, Poland |
| Kraków KR | Biblioteka XX. Kanoników Regularnych Lateranenskich, Kraków, Poland |
| Kremsmünster Benedikt | Benediktinerstift, Kremsmünster, Austria |
| KS | Kenneth Schott, New Haven CT |
| Kunitachi Hitotsubashi University | Japan |
| Kyoto Foreign Studies UL | Japan |
| Kyoto UL | Japan |
| Kyoto University Faculty of Economics | Japan |
| Kyoto University Faculty of Law | Japan |
</block>
== L ==
<block tableinvisible>
| LaCL | Lafayette College, Van Wickle Library, Easton PA, USA |
| LACLL | Los Angeles County Law Library, Los Angeles CA, USA |
| LACML | Los Angeles County Medical Association, Los Angeles CA, USA |
| LakePL | Lakeside Press, Chicago IL, USA |
| Lampeter UL | University Library, University College of Wales, Lampeter, UK |
| Langres SHAL | Société Historique et Archéologique de Langres, Langres, France |
| LAPortL | Library Association of Portland, Portland OR, USA |
| LaSUL | Louisiana State University Library, Baton Rouge LA, USA |
| Laval BM | Bibliothèque Municipale, Laval, France |
| LC | Library of Congress, Rare Book Division, Washington DC, USA |
| LC(B)| Library of Congress, John Davis Batchelder Collection, Washington DC, USA |
| LC(L) | Library of Congress, Law Library, Washington DC, USA |
| LC(M) | Library of Congress, Music Division, Washington DC, USA |
| LC(R) | Library of Congress, Lessing J. Rosenwald Collection, Jenkintown PA, USA |
| LC(T) | Library of Congress, John Boyd Thacher Collection, Washington DC, USA |
| LCH | Lathrop C. Harper, Inc., bookseller, New York NY, USA |
| LCPhL | Library Company of Philadelphia, Philadelphia PA, USA |
| LeaBS | Leamington Book Shop, bookseller, Washington DC, USA |
| Le Mans BM | Bibliothèque Municipale, Le Mans, France |
| Leeds UL | University Library, Brotherton Collection, Leeds, (Brotherton) UK |
| LEG | Lee Edmonds Grove, Washington DC, USA |
| Leiden UB | Universiteitsbibliotheek, Leiden, The Netherlands |
| Leipzig UB | Universitätsbibliothek, Leipzig, Germany |
| LeUL | Lehigh University Library, Bethlehem PA, USA |
| LeUL(H) | Lehigh University, Robert B. Honeymann Collection, Bethlehem PA, USA |
| Leuven KUL CB | Centrale Bibliotheek, Katholieke Universiteit, Leuven, Belgium |
| LG | Lucien Goldschmidt, bookseller, New York NY, USA |
| LH | Laurens Hamilton, Warrenton VA, USA |
| LHS | Louis H. Silver, Estate of, Wilmette IL, USA (Collection sold to the Newberry Library, Chicago IL, USA) |
| Library Company | The Library Company of Philadelphia, Philadelphia PA, USA |
| Library of Congress | Library of Congress, Washington, DC, USA |
| Liège BU | Bibliothèque Universitaire, Liège, Belgium |
| Liège Séminaire | Séminaire épiscopal, Liège, Belgium |
| LIHSL | Long Island Historical Society, Brooklyn, New York NY, USA |
| Lille BM | Bibliothèque Municipale, Lille, France |
| Lima BN | Peru |
| Limoges BM | Bibliothèque Municipale, Limoges, France |
| LindHL | Linda Hall Library, Kansas City MO, USA |
| Linköping Stift | Stifts- och Landsbiblioteket, Linköping, Sweden |
| LinUL | Lincoln University, Vail Memorial Library, Lincoln University PA, USA |
| Linz Arch | Bibliothek des Oberösterreichischen Landesarchivs, Linz, Austria |
| Linz StudB | Bundesstaatliche Studienbibliothek, Linz, Austria |
| Lisboa BN | Biblioteca Nacional, Lisbon, Portugal |
| Liverpool UL | Liverpool University Library, Liverpool, UK |
| LJR | Lessing J. Rosenwald, Jenkintown PA, USA (Copies so designated were presented to the Library of Congress in 1964) |
| Ljubljana NUK | Narodna in univerzitetna knjiznica, Ljubljana, Slovenia |
| LLH | Lee L. Hubbard, Austin TX, USA |
| LLM | L. L. Marton, Washington DC, USA |
| LLPQ | Library of the Legislature of the Province of Quebec, Quebec, Canada |
| LMS | Lyle M. Sellers, M.D., Dallas TX, USA |
| Lodi C | Biblioteca Comunale, Lodi, Italy |
| Lonato Da Como | Biblioteca della Fondazione Ugo Da Como, Lonato (Brescia), Italy |
| London Dulwich College | London, UK |
| London Horniman Museum | London, UK |
| London Royal College of Physicians | London, UK |
| London Royal Society | London, UK |
| London Southwark PL | Southwark Public Library, London, UK |
| London UL | University of London Library, London, UK |
| London University College | London, UK |
| London Victoria and Albert Museum | London, UK |
| London Wellcome Institute | London, UK |
| London Westminster Abbey | London, UK |
| Longleat | Library of the Marquess of Bath, Longleat House, Warminster, Wiltshire, UK |
| LoyC(M)L | Loyola College, Montreal, Canada |
| Loyola UL | Loyola University Library, Chicago, Ill, USA |
| LTL | Lancaster Town Library, Lancaster MA, USA |
| LTSL | Lutheran Theological Seminary, Krauth Memorial Library, Philadelphia PA, USA |
| Lucca Cap | Biblioteca Capitolare, Lucca, Italy |
| Lucca Sem | Biblioteca de Seminario Diocesano, Lucca, Italy |
| Luçon Assoc. diocésaine | Association diocésaine, Evêché, Luçon, France |
| Luxembourg BN | Bibliothèque Nationale, Luxembourg |
| Luzern ZB | Zentralbibliothek, Luzern, Switzerland |
| LW | Laurence Witten, bookseller, New Haven CT |
| Lyon BM | Bibliothèque Municipale, Lyon, France |
| LyPL | Lynn Public Library, Lynn MA, USA |
</block>
== M ==
<block tableinvisible>
| Macerata C | Biblioteca Comunale, Macerata, Italy |
| MADH | Mark Antony De Wolfe Howe, Estate of, Boston MA, USA |
| Madrid BN | Biblioteca Nacional, Madrid, Spain |
| Madrid BU | Biblioteca Universitaria, Madrid, Spain |
| Madrid RAH | Biblioteca de la Real Academia de la Historia, Madrid, Spain |
| Mainz GutenbergM | Gutenberg Museum, Mainz, Germany |
| Mainz StB | Stadtbibliothek, Mainz, Germany |
| MalPL | Malden Public Library, Malden MA, USA |
| Manchester Chetham's Library | Manchester, UK |
| Manchester JRL | John Rylands University Library, Manchester, UK |
| ManCL | Manhattan College, New York NY, USA |
| Mannheim UB | Universitätsbibliothek, Mannheim, Germany |
| Mantova C | Biblioteca Comunale, Mantua, Italy |
| Marburg UB | Universitätsbibliothek, Marburg, Germany |
| Maredsous O.S.B. | Abbaye Bénédictine, Maredsous, Belgium |
| MarqUL | Marquette University, Memorial Library, Milwaukee WI, USA |
| Martin Matica | Matica Slovensk, Martin, Slovakia |
| Maryland Diocese | Maryland Diocesan Library, Baltimore MD, USA |
| Massachusetts Hist Soc | Massachusetts Historical Society, Boston MA, USA |
| MB | Morris Bishop, Ithaca, New York |
| MB | Maury Bromsen, bookseller, Boston MA, USA |
| MBB | Mildred B. Bliss, Washington DC, USA |
| MBCj | Mrs. Melbert B. Cary, Jr., New York NY, USA |
| MBGL | Missouri Botanical Garden, St. Louis MO, USA |
| MCFMdl | Medical and Chirurgical Faculty of the State of Maryland |
| McGUL | McGill University Library, Redpath Library, Montreal, Canada |
| McGU(M)L | McGill University, Medical Library, Montreal, Canada |
| McGU(O)L | McGill University, Osler Library, Montreal, Canada |
| MCI | Mrs. Myrtle Crummer Ingram, Los Angeles CA, USA |
| MCL | Macalester College Library, Saint Paul, MN, USA |
| MCSHL | Manhattenville College of the Sacred Heart, Brady Memorial Library, Purchase, New York |
| M&CY | Morris N. & Chesley V. Young, Mnemonics Library, New York NY, USA |
| MDB | Maryone D. Barlow, New York NY, USA |
| MDL | Maryland Diocesan Library, On deposit at the Peabody Institute, Baltimore MD, USA |
| MDV | Marie D. Vernon, Reading PA, USA |
| MEC | Marcus Esketh Crahan, M.D., Los Angeles CA, USA |
| Melbourne La Trobe UL| Australia |
| Melbourne Monash UL | Australia |
| Melbourne Royal College of Surgeons | Australia |
| Melbourne SL | Australia |
| Melbourne UL (Mitchell) | Australia |
| MerL | Mercantile Library, Philadelphia PA, USA |
| Messina U | Biblioteca Universitaria, Messina, Italy |
| Metropolitan Mus | Dept of Prints, Metropolitan Museum NY, NY, USA |
| Metz BM | Bibliothèque Municipale, Metz, France |
| MexBN | Bibliotheca Nacional, Mexico City, Mexico |
| Mexico City BN | Mexico |
| Mexico City SHa | Mexico |
| MFArtL | Museum of Fine Arts, Boston MA, USA |
| MFR | Margaret F. Rudkin, Fairfield CT, USA |
| MFRu | Milton F. Rua, Santurce PR |
| MG | Max Goldman, Santurce PR |
| MHS | Morris H. Saffron, M.D., PA, USAssaic NJ, USA |
| MHSL | Massachusetts Historical Society, Boston MA, USA |
| MiCL | Middlebury College, Middlebury VT, USA |
| Milano Ambr | Biblioteca Ambrosiana, Milan, Italy |
| Milano N | Biblioteca Nazionale Braidense, Milan, Italy |
| Milano Presidio | Biblioteca Militare di Presidio, Milan, Italy |
| Milano Triv | Biblioteca Trivulziana, Milan, Italy |
| MilCL | Mills College, Oakland CA, USA |
| MilPL | Milwaukee Public Library, Milwaukee WI, USA |
| Mino Osaka Aoyama Junior College | Japan |
| MiPL | Minneapolis Public Library, Minneapolis, MN |
| MiSUL | Michigan State University, East Lansing MI, USA |
| MITL | Massachusetts Institute of Technology, Cambridge MA, USA |
| MiUL | Miami University Library, Oxford OH, USA |
| ML | Mark Lansburgh, Santa Barbara CA, USA |
| MLC | Marvin L. Colker, Charlottesville VA, USA |
| MLG | Marie Lee Gaillard, Berwyn PA, USA |
| MMu(P)L | Metropolitan Museum of Art, Department of Prints, New York NY, USA |
| MMZ | Michael M. Zagayski, New York NY, USA |
| Modena Est | Biblioteca Estense, Modena, Italy |
| Mondovà Sem | Biblioteca del Seminario Vescovile, Mondovà (Cuneo), Italy |
| Mons BU | Bibliothèque Universitaire, Mons, Belgium |
| Montalcino C | Biblioteca Comunale, Montalcino (Siena), Italy |
| Montefiascone Sem | Biblioteca del Seminario Vescovile, Montefiascone (Viterbo), Italy |
| Montevideo BN | Uruguay |
| Montpellier BIU | Bibliothèque Interuniversitaire, Montpellier, France |
| Montreal | [Wolfe] |
| Montreal BNQ | Bibliothèque Nationale du Québec, Montreal, Quebec, Canada |
| Montreal Canadian Centre for Architecture | Canada |
| Montreal JML | Canada |
| Montreal LoyC(M)L | Canada |
| Montreal McGill UL | Canada |
| Montreal Michel Brisebois | Canada |
| Montreal Presbyterian College | Canada |
| Montréal UL | Canada |
| Montserrat Mon | Biblioteca de la Abadía Benedictina, Montserrat, Spain |
| Morgan Lib | Pierpont Morgan Library NY, USA |
| Moscow Lenin SL | Lenin State Library, Moscow, Russia |
| MPM | Mary P. Massey, Keswick VA, USA |
| MSC | Mary S. Collins, Estate of, Wyncote PA, USA |
| MSCoKL Medical Society of the County of Kings, Brooklyn, New York NY, USA |
| MSdeG | Mercedes S. de Gomez, Yeadon PA, USA |
| MSML | Mr Saviour Monastary, Elmira NY, USA |
| MtHCL | Mt. Holyoke College, South Hadley MA, USA |
| MtSAL | Mt. St. Alphonsus Seminary, Esopus, New York |
| MtSML | Mt. St. Mary's College, Emmitsburg MD, USA |
| MuhlCL | Muhlenberg College, Allentown PA, USA |
| München BSB | Bayerische Staatsbibliothek, Munich, Germany |
| MundCL | Mundelein College, Chicago IL, USA |
| Münster UB | Universitätsbibliothek, Münster, Germany |
</block>
== N ==
<block tableinvisible>
| Nagoya Nanzan UL | Japan |
| NaHL | Nashotah House Library, Nashotah WI, USA |
| Napoli N | Biblioteca Nazionale, Naples, Italy |
| Nara UL | Japan |
| Neuchâtel BPU | Bibliothèque Publique et Universitaire, Neuchâtel, Switzerland |
| New York PL | The Research Libraries, New York Public Library, New York NY, USA |
| Newberry Lib | The Newberry Library, Chicago IL, USA |
| Nihon University College of Science | Japan |
| Northwestern UL | Northwestern University Library, Evanston IL, USA |
| N&ASL | Numismatic & AntiquarianSociety, Montreal, Canada |
| NavAcL | United States Naval Academy, Annapolis MD, USA |
| NavObL | United States Naval Observatory, Washington DC, USA |
| NBPL | New Bedford Public Library, New Bedford MA, USA |
| NC | Nelson Coon, Watertown MA, USA |
| NCS | Nathan C. Starr, New York NY, USA |
| NewbPL | Newburyport Public Library, Newburyport MA, USA |
| NewHSL | Newport Historical Society, Newport RI |
| NewL | The Newberry Library, Chicago IL, USA |
| NGA(G) | National Gallery of Art, Lessing J. Rosenwald Collection, Washington DC, USA |
| NHHisSL | New Hampshire Historical Society, Concord NH, USA |
| NHS | Norman H. Strouse, New York NY, USA |
| NHStL | New Hampshire State Library Concord, New Hamshire |
| NiUL | Niagara University Library, Niagara University, NY, USA |
| NLM | National Library of Medicine, Bethesda MD, USA |
| NPH | Norman P. Henderson, Heath MA, USA |
| N(SCh)L | Nazareth Library, Sisters of Charity, Nazareth KY, USA |
| Nürnberg StB | Stadtbibliothek, Nuremberg, Germany |
| NwColL | Northwestern College Library, Watertown WI, USA |
| NwUL | Northwestern University Library, Evanston IL, USA |
| NwU(L)L | Northwestern University, School of Law, Elbert H. Gary Library, Chicago IL, USA |
| NwU(M)L | Northwestern University, The Archibald Church Medical Library, Chicago IL, USA |
| NYAcMedL | New York Academy of Medicine, New York NY, USA |
| NYBoGL | New York Botanical Garden, New York NY, USA |
| NYPL | New York Public Library, Rare Book Division, New York NY, USA |
| NYPL(B) | New York Public Library, Berg Collection, New York NYM USA |
| NYPL(D) | New York Public Library, Drexel Collection, New York NY, USA |
| NYPL(J) | New York Public Library, Jewish Division, New York NY, USA |
| NYPL(P) | New York Public Library, Parsons Collection, New York NY, USA |
| NYPL(S) | New York Public Library, Spencer Collection, New York NY, USA |
| NYPL(St) | New York Public Library, Stuart Collection, New York NY, USA |
| NYSL | New York Society Library, New York NY, USA |
| NYStL | New York State Library, Albany, New York NY, USA |
| NYT(Ex)L | New York Times, Exhibit of the Recorded Word, New York NY, USA |
| NYU(H)L | New York University, University Heights Library, New York NY, USA |
| NYU(W)L | New York University, Washington Square, New York NY, USA |
</block> 
== O ==
<block tableinvisible>
| ObCL | Oberlin College Library, Oberlin OH, USA |
| Oberlin Coll | Oberlin College Library, Oberlin OH, USA |
| OcCL | Occidental College, Los Angeles CA, USA |
| O&EP | Orville H. Peets, Millsboro DE, and Elbert Peets, Washington DC, USA |
| OFE | Mrs Otto F. Ege, Cleveland OH, USA |
| OhStUL | Ohio State University Libraries, Columbus OH, USA |
| OhWUL | Ohio Wesleyan University Library DE OH, USA |
| OkBUL | Oklahoma Baptist University, Shawnee OK |
| Oldenburg LB | Landesbibliothek, Oldenburg, Germany |
| Olomouc UKn | Universitní Knihovna, Olomouc, Czech Republic |
| OLW | Oscar L. Watkins, Indianapolis IN, USA |
| OOF | Otto O. Fischer, M.D., Estate of, Detroit MI, USA |
| Orihuela BP | Bibliotea Pública, Orihuela, Spain |
| Osaka Morisawa & Co | Japan |
| Osimo C | Biblioteca Comunale, Osimo (Ancona), Italy |
| Ottawa NLC | Canada |
| Ottawa St Paul UL | Canada |
| Ottawa UL | Canada |
| OSU | Oregon State University, Cowallis OR, USA |
| OWF | Otto W. Fuhrmann, Elmhurst NY, USA |
| Oxford All Souls College | Oxford, UK |
| Oxford Bodley | The Bodleian Library, Oxford, UK |
| Oxford Brasenose College | Oxford, UK |
| Oxford Corpus Christi College | Oxford, UK |
| Oxford Exeter College | Oxford, UK |
| Oxford New College | Oxford, UK |
| Oxford Pembroke College | Oxford, UK |
| Oxford Queen's College | Oxford, UK |
| Oxford St John's College | Oxford, UK |
| Oxford Wadham College | Oxford, UK |
</block> 
== P ==
<block tableinvisible>
| P pa Coll ref | Bibliotheca Superintendentiae Reformatae, P pa, Hungary | 
| Paderborn AkadB | Erzbischöfliche Akademische Bibliothek, Paderborn, Germany | 
| Padova Ant | Biblioteca Antoniana, Padua, Italy | 
|Padova Sem | Biblioteca del Seminario Maggiore Vescovile, Padua, Italy | 
| Padova U | Biblioteca Universitaria, Padua, Italy | 
| Palermo C | Biblioteca Comunale, Palermo, Italy |
| Palermo N | Biblioteca Nazionale, Palermo, Italy |
| Palma BP | Biblioteca Pública, Palma (Mallorca), Spain |
| Pannonhalma Archiabb Bened | Bibliotheca Archiabbatiae Ordinis S. Benedicti, Pannonhalma, Hungary | 
| Paris Arsenal | Bibliothèque de l'Arsenal, Paris, France | 
| Paris BN | Bibliothèque Nationale, Paris, France | 
| Paris Mazarine | Bibliothèque Mazarine, Paris, France | 
| Paris Ste Geneviève | Bibliothèque Ste Geneviève, Paris, France | 
| Parma Pal | Biblioteca Palatina, Parma, Italy | 
| PCD | Philip C. Duschnes, bookseller, New York NY, USA |
| PCL | USA |
| PeaIL | Peabody Institute Library, Baltimore MD, USA |
| PedSL | The Peddie School, Highstown NJ, USA |
| Pelplin Sem | Biblioteka Seminarium Duchownego, Pelplin, Poland |
| PeqL | Pequot Library, On deposit at Yale University Library, New Haven CT |
| Perth UL | Australia |
| Perugia C | Biblioteca Comunale, Perugia, Italy |
| Pesaro Oliv | Biblioteca Oliveriana, Pesaro, Italy |
| PExAcL | Phillips Exeter Academy, Exeter NH |
| PH | Philip Hofer, Cambridge MA, USA |
| PhBAL | Philadelphia Bar Association, Philadelphia PA, USA |
| PhFL | Free Library of Philadelphia, Philadelphia PA, USA |
| PhF(W)L | Free Library of Philadelphia, Copinger-Widener Collection, Philadelphia PA, USA |
| Phillips Acad | Phillips Academy, Andover MA, USA |
| PHT | Paul H. Todd, Kalamazoo MI, USA |
| P&JG | Phyllis & John Gordan, New York NY, USA |
| Phyllis Gordan | Mrs John D. Gordan NY, NY, USA |
| Piran MeM | Knjiznica Mestnega Mujeza, Piran, Slovenia |
| Pisa Sem | Biblioteca del Seminario Arcivescovile, Pisa, Italy |
| Pistoia Fabr | Biblioteca Fabroniana, Pistoia, Italy |
| Pistoia Fort | Biblioteca Forteguerriana, Pistoia, Italy |
| PM | Paul Mellon, Upperville VA, USA |
| PML | Pierpont Morgan Library, New York NY, USA |
| PMNj | Paul M. North, Jr., bookseller, Columbus OH, USA |
| PO | Peter Oliver, Estate of Mount Kisco, New York NY, USA |
| Poitiers BM | Bibliothèque Municipale, Poitiers, France |
| PonCJL | Pontifical College Josephinum, Worthington OH, USA |
| Poppi C | Biblioteca Comunale, Poppi, Italy |
| PorAthL | Portsmouth Athenaeum, Portsmouth NH, USA |
| Porrentruy BCJ | Bibliothèque Cantonale Jurassienne, Porrentruy, Switzerland |
| Poznan AA | Archiwum Archidiecezjalne, Poznan, Poland |
| Poznan Racz | Miejska Biblioteka Publiczna im. E. Raczynskiego, Poznan, Poland |
| Poznan U | Biblioteka Uniwersytetu, Poznan, Poland |
| Prague SKn | Státní Knihovna, Prague, Czech Republic |
| PrAthL | Providence Athenaeum, Providence RI |
| PresCL | Presbyterian College, Montreal, Canada |
| Princeton UL | Princeton University Library, Princeton NJ, USA |
| PrinTSL | Princeton Theological Seminary, Speer Library, Princeton NJ, USA |
| PrinUL | Princeton University, Firestone Library, Princeton NJ, USA |
| PrinU(A)L | Princeton University, Art Museum, Princeton NJ, USA |
| PSBL | Perkins School for the Blind, Watertown MA, USA |
| PSJ | P.S. Justice, Denver CO, USA |
| PSK | P.S. Krivatsy, bookseller, Washington DC, USA |
| PStUL | Pennsylvania State University, University Park PA, USA |
| PWH | Philip W. Harsh, Stanford CA, USA |
| PWS | Philip W. Schulte, Silver Spring MD, USA |
</block> 
== Q  ==
<block tableinvisible>
| Quebec Bibliothèque Antonienne | Canada |
| Quebec JH | Canada |
| Quebec Laval UL | Canada |
| Quebec PQ Legislature | Canada |
| Quito BN | Ecuador |
| QuUL | Queen's University Library, Kingston, Ontario |
</block>
== R ==
<block tableinvisible>
| RAB | Redmond A. Burke, C.S.V., Chicago IL, USA |
| RadCL | Radcliffe College Library, Cambridge MA, USA |
| Ravenna C | Biblioteca Comunale Classense, Ravenna, Italy |
| RBB | Robert B. Brown, Ann Arbor MI, USA |
| RbergL | Rosenberg Library, Galvestone TX, USA |
| RBL | Ronald B. Levinson, Orono ME |
| RBvKS | Rufus B. von Klein-Smid, Estate of, Los Angeles CA, USA |
| RD | Robert Dechert, King of Prussia PA, USA |
| RE | Raphael Esmerian, New York NY, USA |
| RedwL | Redwood Library and Athenaeum, Newport RI, USA |
| Reggio Emilia C | Biblioteca Comunale, Reggio nell'Emilia, Italy |
| REH | Raymond E. Hartz, Madison NJ, USA |
| RG | Col. Richard Gimbel, New Haven CT, USA |
| RHT | Robert H.Taylor, Princeton NJ, USA |
| Riga NL | Bibliotheca Nationalis Latviensis, Riga, Latvia |
| Rimini C | Biblioteca Comunale Gambalunga, Rimini, Italy |
| Rio de Janeiro BN | Biblioteca Nacional, Rio de Janeiro, Brazil |
| RISDL | Rhode Island School of Design, Providence Ri, USA |
| RITL | Rochester Instituteof Technology, Rochester, NY |
| RivPL | Riverside Public Library, Riverside CA, USA |
| RJD | Ruth J. Dean, South Hadley MA, USA |
| RLBT | Robert L. B. Tobin, San Antonio TX, USA |
| RM | Robert Moes, M.D., Los Angeles CA, USA |
| R-MCL | Randolph-Macon Woman's College, Lynchburg VA, USA |
| RMF | Richard M. Fichel, Meadowbrook, PA, USA |
| RMMH | Rachel M. M. Hunt, Estate of, Pittsburgh PA, USA |
| RMMHL | Rachel McMasters Miller Hunt, Botanical Library, Carnegie Institute of Technologie, Pittsburgh PA, USA |
| RMR | Rodney M. Rudd, Cleveland OH, USA |
| RMS | Ralph M. Spaan, Estate of, Indianapolis IN |
| Rochester UL | University of Rochester Library, Rochester, NY, USA |
| Roma Ang | Biblioteca Angelica, Rome, Italy |
| Roma Cas | Biblioteca Casanatense, Rome, Italy |
| Roma Cors | Biblioteca Corsiniana, Rome, Italy |
| Roma FAO | United Nations Food and Agriculture Organisation Library, Rome, Italy |
| Roma Fond Primoli | Biblioteca della Fondazione Primoli, Rome, Italy |
| Roma N | Biblioteca Nazionale Centrale, Rome, Italy |
| Roma U | Biblioteca Universitaria Alessandrina, Rome, Italy |
| Roma Vall | Biblioteca Vallicelliana, Rome, Italy |
| ROnMAL | Royal Ontario Museum of Archeology |
| Rosenbach Museum | Rosenbach Museum and Library, Philadelphia PA, USA, USA |
| Roskilde CL | Cathedral Library, Roskilde, Denmark |
| RosML | The Philip H. & A.S.W. Rosenbach, Museum |
| Rostock UB | Universitätsbibliothek, Rostock, Germany |
| Rostrevor (South Australia) S. Francis Xavier Seminary | Australia |
| Rothamsted | Rothamsted Experimental Station, Harpenden, Hertfordshire, UK |
| Rovigo Acc Conc | Biblioteca dell'Accademia dei Concordi, Rovigo, Italy |
| RP | Richard Priest, New York NY, USA |
| RQK | Robert Q. Kelly, Chicago IL, USA |
| RSS | Reinhard S. Speck, M.D., Daly City CA, USA |
| RSW | Richard S. Worms, bookseller, Bethel CT, USA |
| RTA | R. T. Aitchison, Estate of, Wichita KS, USA |
| RTM | Robert T. Meyer, Gaithersburg MD, USA |
| Rugby School | Rugby, Warwickshire, UK |
| RutgUL | Rutgers University Library, Brunswick NJ, USA |
| RVS | Mrs Rose Victor Stroly, Woodmere, Long Island NY, USA |
| RWB | Robert Warwick Bingham, Buffalo NY, USA |
| RWM | Robert W. Martin, Estate of, New Rochelle NY, USA |
</block>
== S ==
<block tableinvisible>
| Salzburg UB | Universitätsbibliothek, Salzburg, Austria |
| SanAPL | San Antonio Public Library, San Antonio TX, USA |
| San Gimignano C | Biblioteca Comunale, San Gimignano, Italy |
| San Juan (Puerto Rico) BN | USA |
| Sandomierz Sem |Biblioteka Seminarium Duchownego, Sandomierz, Poland |
| Sant Cugat BBorja | Biblioteca Borja de la Compañia de Jesús, Sant Cugat del Valles (Barcelona), Spain |
| Santiago (Chile) BN | Chile |
| Sapporo UL | Japan |
| Saskatchewan UL | University of Saskatchewan Library, Saskatoon, Saskatchewan, Canada |
| Saumur BM | Bibliothèque Municipale, Saumur, France |
| SBH | Mrs Samuel B. Hemingway, New Haven CT, USA |
| Schaffhausen StB | Stadtbibliothek, Schaffhausen, Switzerland |
| Scheide | John H. Scheide, Princeton NJ, USA (housed in Princeton University Library) |
| Schlägl Präm | Prämonstratenserstift, Schlägl, Austria |
| SchwHL | Schwenkfelder Historical Library, Pennsburg PA, USA |
| SCJL | Spertus College of Judaica Chicago, IL, USA |
| ScribBS | Scribner Book Store, bookseller, New York NY, USA |
| SDivSL | Seabury Divinity School, Faribault, MN |
| SeHCL | Seton Hill College, Greensburg PA, USA |
| Sélestat BM | Bibliothèque Humaniste, Sélestat, France |
| Sendai Tohoku University Faculty of Science | Japan |
| Sevilla BU | Biblioteca Universitaria, Seville, Spain |
| Sevilla Colombina | Biblioteca Capitular y Colombina, Seville, Spain |
| SFA | Sam Follett Anderson, Lawrence KS, USA |
| SFCWL | San Francisco College for Women, San Francisco CA, USA |
| SFSCL | San Francisco State College, San Francisco CA, USA |
| S&GU | Sandra & Guy Upjohn, Toronto, Canada |
| SH | Sinclair Hamilton, New York NY, USA |
| S-H | Stechert-Hafner, Inc. (booksellers), New York NY, USA |
| Sha | Salomon Hale, Mexico City, Mexico |
| SherL | Sherbrooke Library, Quebec, Canada |
| SHT | S. Harrison Thomson, Boulder CO, USA |
| Sibiu Brukenthal | Biblioteca Muzeului Brukenthal, Sibiu, Rumania |
| Siena C | Biblioteca Comunale, Siena, Italy |
| SLL | Social Law Library, Boston MA, USA |
| SmCL | Smith College, Northhampton MA, USA |
| SmI(GA)L | Smithsonian Institution, Division of Graphic Arts, Washington DC, USA |
| SoIllUL | Southern Illinois University, Carbondale IL, USA |
| SoMethUL | Southern Methodist University, Bridwell Library, Dallas TX, USA |
| SonRL | Sondley Reference Library, Asheville NC, USA |
| Sopron Gymn | Bibliotheca Gymnasii Daniel Berzsenyi, Sopron, Hungary |
| Southern Methodist UL | Bridwell Library, Southern Methodist University, Dallas TX, USA |
| Spoleto C | Biblioteca Comunale, Spoleto, Italy |
| SpPL | Spokane Public Library, Spokane WA, USA |
| SprCL | The City Library Association, Springfield MA, USA |
| SRS | S.R. Shapiro, bookseller, New York NY, USA |
| StAIL | St. Albans National Cathedral School for Boys, Washington DC, USA |
| Stans Kapuz | Bibliothek des Kapuzinerklosters, Stans Nidwalden), Switzerland |
| StanUL | Stanford University Library, Stanford University CA, USA |
| StanU(M)L | Stanford University, Lane Medical Library, Stanford University CA, USA |
| StAPL | St. Anselm's Priory, Washington DC, USA |
| StBenCL | The Abby Library St. Benedict's College, Atchison KS, USA |
| StBerCL | St. Bernard Junior College, St. Bernard AL, USA |
| StBerSL | St. Bernard's Seminary, Rochester NY, USA |
| StBonUL | St. Bonaventure University, Friedsam Memorial Library, St. Bonaventure NY, USA |
| StChSL | St. Charles Seminary Library Overbrook PA, USA |
| StCHS(C)L | St. Charles Seminary Library, Carthagena OH, USA |
| Stellenbosch Sem | South Africa |
| Stellenbosch UL | South Africa |
| StFC(L)L | St. Francs College, Loretto PA, USA |
| StFConL | St. Francis Convent Library, Syracuse NY, USA |
| StFSL | St. Francis Seminary, Milwaukee WI, USA |
| StGML | St. Gabriel's Monastery, Brighton MA, USA |
| StHSL | St. Hyacinth College and Seminary, Granby MA, USA |
| StJCL | St. John's College, Annapolis MD, USA |
| StJC(W)L | St. John's College, Winnipeg, Canada |
| StJnSL | St. John's Seminary, Creagh Research Library, Brighton MA, USA |
| St John's Seminary | Creagh Research Library, St John's Seminary, Brighton MA, USA |
| StJSL | St. Joseph's Seminary, Yonkers, New York NY, USA |
| StJUL | St. John's University Library, Collegeville, MN, USA |
| StLCL | St. Leonard College Library, Dayton OH, USA |
| StLML | St. Louis Mercantile Library, St. Louis MO, USA |
| StLUL | St. Lawrence University Library, Canton NY, USA |
| St Mary Seminary Mundelein | St Mary of the Lake Seminary Library, Mundelein IL, USA |
| St-Maurice Abbaye | Abbaye de Saint-Maurice, St Maurice, Switzerland |
| StM(B)L | St. Mary's Seminary, Baltimore MD, USA |
| StMCL | St. Mary's College, Saint Marys KS, USA |
| StMC(X)L | St. Mary College, Xavier KS, USA |
| StMeinAL | St. Meinrad Archabbey, The Archabbey Library, St. Meinrad IN, USA |
| StMiML | St. Michael's Monastery, Union City NJ, USA |
| StMLSL | St. Mary of the Lake Seminary, Feehan Memorial Library, Mundelein IL, USA |
| StM(P)L | St. Mary's Seminary, Perryville MO, USA |
| Stockholm RL | Kungliga Biblioteket (Royal Library), Stockholm, Sweden |
| StPatSL | St. Patrick's Seminary, Menlo Park CA, USA |
| StPCL | St. Procopius College Library, Lisle IL, USA |
| St Petersburg Akad | Biblioteka Akademii Nauk, St Petersburg, Russia |
| St Petersburg GPB | Gosudarstvennaja Publicnaja Biblioteka im. M. E. Saltykova-Shchedrina, St Petersburg, Russia |
| StPML | St. PA, USAul's Monastery, Pittsburgh PA, USA |
| St Pölten Sem | Bischöfliches Priesterseminar, Sankt Pölten, Austria |
| StPSL | St. Paul's School, Concord NH, USA |
| Strasbourg BM | Bibliothèque Municipale, Strasbourg, France |
| Strasbourg BNU | Bibliothèque Nationale et Universitaire, Strasbourg, France |
| Stuttgart LB | Württembergische Landesbibliothek, Stuttgart, Germany |
| StSulL | Bibliotheque Saint-Sulpice, Montreal, Canada |
| StVAL | St. Vincent Archabbey, St Vincent College Library, Latrobe PA, USA |
| Subiaco Ben | Biblioteca del Monastero Santa Scolastica, Subiaco, Italy |
| Suita Kansai UL | Japan |
| S-WeTSL | Seabury-Western Theological Seminary, Evanston IL, USA |
| SXR | Samuel X. Radbill, Philadelphia PA, USA |
| Sydney Mitchell Library | Australia |
| Sydney PL | Australia |
| Sydney Royal College of Physicians | Australia |
| Sydney SL | Australia |
| Sydney St Ignatius College | Australia |
| Sydney St Patrick's College | Australia |
| Sydney St. Benedict's Monastery | Australia |
| Sydney St. Paul's College | Australia |
| Sydney UL | Australia |
| Sydney UL (Fisher) | Australia |
| Sydney University of NSW Library | Australia |
| Syracuse UL | Syracuse University Library, Syracuse, NY, USA |
| SyrUL | Syracuse University Library, Syracuse, New York |
| Székesfehérv r Bibl episc | Bibliotheca Episcopalis Alba-Regalis, Székesfehérv r, Hungary |
</block>
== T ==
<block tableinvisible>
| TAK | Thomas A. Kirby, Baton Rouge LA, USA |
| Tarazona BCap | Biblioteca del Cabildo Catedral, Tarazona, Spain |
| Tarragona BP | Biblioteca Pública, Tarragona, Spain |
| TBML | Thomas Byrne Memorial Library, Mobile AL, USA |
| Tel Aviv UL | Israel |
| TEM | Thomas E. Marston, New Haven CT, USA |
| TemUL | Temple University Library, Philadelphia PA, USA |
| Tenri Central Library | Tenri |
| Texas UL | Humanities Research Center, University of Texas, Austin TX, USA |
| TexCUL | Texas Christian University, Mary Couts Burnett Library, Ft. Worth TX, USA |
| TGH | Tyrus G. Harmsen, Pasadena CA, USA |
| TGHD | T.G.H. Drake, M.D., Toronto, Canada |
| ThSL | New Brunswick Theological Seminary, New Brunswick NJ, USA |
| TOGdeP | T.O.G. de Perczel, Vancouver, Canada |
| Tokyo Keio UL | Japan |
| Tokyo Keio University (Shido Bunko) | Japan |
| Tokyo Maruzen | Japan |
| Tokyo Mizuno Printing Museum | Japan |
| Tokyo Nanki Music Library | Japan |
| Tokyo National Diet | Japan |
| Tokyo Nihon UL | Japan |
| Tokyo Nihon University College of Commerce | Japan |
| Tokyo Nihon University College of Dentistry | Japan |
| Tokyo Nihon University College of Economics | Japan |
| Tokyo Nihon University College of Law | Japan |
| Tokyo Noma Research Archives | Japan |
| Tokyo Prof. T. Takamiya | Japan |
| Tokyo Senshu UL | Japan |
| Tokyo Sophia UL | Japan |
| Tokyo Toyo Bunko | Japan |
| Tokyo UL | Japan |
| Tokyo University Faculty of Law | Japan |
| Tokyo Waseda UL | Japan |
| Toledo BP | Biblioteca Pública, Toledo, Spain |
| TolMAL | Toledo Museum of Art, Toledo OH, USA |
| TOM | Thomas O. Mabbott, New York NY, USA |
| TorPL | Toronto Public Library, Toronto, Canada |
| Torino N | Biblioteca Nazionale, Turin, Italy |
| Toronto Bergendal | Bergendal Collection, Toronto, Ontario, Canada |
| Toronto Fisher | Canada |
| Toronto JKW | Canada |
| Toronto Metro | Canada |
| Toronto PIMS | Canada |
| Toronto PL (Osborne Coll) | Canada |
| Toronto S&GU | Canada |
| Toronto St Michael's College | Canada |
| Toronto Victoria University CRRS | Canada |
| Toronto Wycliffe College | Canada |
| Torun KM | Ksiaznica Miejska im. Mikolaja Kopernika, Torun, Poland |
| Torun U | Biblioteka Uniwersytetu, Torun, Poland |
| Toulouse BM | Bibliothèque Municipale, Toulouse, France |
| Tournai Séminaire | Séminaire épiscopal, Tournai, Belgium |
| Tours BM | Bibliothèque Municipale, Tours, France |
| TRA | Thomas R. Adams, Providence RI, USA |
| TransCL | Transylvania College Library, Lexington KY, USA |
| Trapani Fard | Biblioteca Fardelliana, Trapani, Italy |
| Trento C | Biblioteca Comunale, Trento, Italy |
| Trento Franc | Biblioteca del Convento Francescano, Trento, Italy |
| Treviso C | Biblioteca Comunale, Treviso, Italy |
| Treviso Cap | Biblioteca Capitolare, Treviso, Italy |
| Trier BistumsArch | Bistumsarchiv, Trier, Germany |
| Trier StB | Stadtbibliothek, Trier, Germany |
| TrinCL | Trinity College Library, Hartford CT, USA |
| TrinC(T)L | Trinity College Library, Toronto Canada |
| TrinC(W)L | Trinity College Library, Washington DC, USA |
| TroPL | Troy Public Library, Troy, New York |
| Troyes BM | Bibliothèque Municipale, Troyes, France |
| Tsukuba University of Library & Information Science | Japan |
| TWS | Thomas W. Streeter, Morristown NJ, USA |
</block>
== U ==
<block tableinvisible>
| UArkL | University of Arkansas, Fayetteville AR, USA |
| UBufL | University of Buffalo, Buffalo NY, USA |
| UCal Berkeley | University of California at Berkeley CA, USA |
| UCalB(L)L | University of California, Law Library, Berkeley CA, USA |
| UCalB(M)L | University of California, Music Library, Berkeley CA, USA |
| UCalDL | University of California, Davies CA, USA |
| UCal | Los Angeles University of California at Los Angeles CA, USA |
| UCalLA(B)L | University of California at Los Angeles, Belt Library of Vinciana, USA |
| UCalS(M)L | University of California, Medical Center, San Francisco CA, USA |
| UChiL | University of Chicago Libraries, Chicago IL, USA |
| UCinL | University of Cincinnati, Cincinnati OH, USA |
| UClL | University Club Library, New York NY, USA |
| UColoL | University of Colorado Libraries, Boulder CO, USA |
| UDetL | University of Detroit Library, Detroit MI, USA |
| Udine Arciv | Biblioteca Arcivescovile, Udine, Italy |
| UESocL | Engineering Societies Library, New York NY, USA |
| UFlaL | University of Florida Libraries, Gainesvilles FL, USA |
| UGeoL | University of Georgia, The University Libraries, Athens GA, USA |
| UIdL | University of Idaho |
| UIllL | University of Illinois Library, Urbana IL, USA |
| UIll(E)L | University of Illinois, Museum of European Culture, Urbana IL, USA |
| UIoL | State University of Iowa, The University Libraries, Iowa City IA, USA |
| UKanL | University of Kansas, Lawrence KS, USA |
| UKan(M)L | University of Kansas, School of Medecine KS, USACity KS, USA |
| UKsCL | University of King's College, Halifax, Nova Scotia, Canada | 
| UKyL | University of Kentucky, Margaret I. King Library, Lexington KY, USA |
| ULavL | Universite Laval, Quebec, Canada |
| UMiamL | University of Miami Library, Corol Gables FL, USA |
| UMichL | University of Michigan, University Library, Ann Arbor MI, USA |
| UMich(L)L | University of Michigan, The Law Library, Ann Arbor MI, USA |
| UMich(S)L | University of Michigan, Stephen Spaulding Collection, Ann Arbor MI, USA |
| UMinL | University of Minnesota, The University Library, Minneapolis MN, USA |
| UMin(B)L | University of Minnesota, James Ford Bell Library, Minneapolis MN, USA |
| UNCaL | University of North Carolina Library, Chapel Hill NC, USA |
| UNDamL | University of Notre Dame, The University Library, Notre Dame IN, USA |
| UNebL | University of Nebraska, The University Libraries, Lincoln NE, USA |
| UnTSL | Union Theological Seminary, New York NY, USA |
| UOkL | University of Oklahoma Libraries, Norman OK, USA |
| UOreL | University of Oregon Library, Eugene OR, USA |
| UPaL | University of Pennsylvania, Philadelphia PA, USA |
| UPa(B)L | University of Pennsylvania, Botany Library, Philadelphia PA, USA |
| UPa(F)L | University of Pennsylvania, Furness Library, Philadelphia PA, USA |
| UPa(Lea)L | University of Pennsylvania, Lea Library, Philadelphia PA, USA |
| UPa(S)L | University of Pennsylvania, Edgar Fahs Smith Collection, Philadelphia PA, USA |
| UPBS | University Place Book Shop (booksellers), New York NY, USA |
| UPittL | University of Pittsburgh Library, Pittsburgh PA, USA |
| UPPitt(F)L | University of Pittsburgh, Maurice and Laura Falk Library of the Health Professions, Pittsburgh PA, USA |
| Uppsala UB | Universitetsbiblioteket, Uppsala, Sweden |
| UPRicoL | University of Puerto Rico, Rio Piedras PR, USA |
| Urbino U | Biblioteca Universitaria, Urbino, Italy |
| URoL | University of Rochester, Rush Rhees Library, Rochester NY, USA |
| URo(M)L | University of Rochester, Edward G. Miner Library, Rochester NY, USA |
| URo(S)L | University of Rochester, Sibley Music Library, Eastman School of Music, Rochester NY, USA |
| USoCalL | University of Southern California, University Library, Los Angeles CA, USA |
| USoCarL | University of South Carolina, McKissick Memorial Library, Columbia SC, USA |
| USoL | The University of the South, School of Theology, Sewanee TN, USA |
| UTexL | University of Texas, Austin TX, USA |
| UTorL | University of Toronto Library, Toronto, Canada |
| Utrecht UB | Universiteitsbibliotheek, Utrecht, The Netherlands |
| UVaL | University of Virginia, Alderman Library, Charlottesville VA, USA |
| UVa(Mc)L | University of Virginia, McGregor Library, Charlottesville VA, USA |
| UVerL | University of Vermont, The University Library, Burlington VT, USA |
| UWashL | University of Washington Library, Seattle WA, USA |
| UWash(L)L | University of Washington, Law Library, Seattle WA, USA |
| UWis(M)L | Middleton Medical Library |
| UWisL | University of Wisconsin, The Memorial Library, Madison WI, USA |
</block>
== V == 
<block tableinvisible>
| Valencia BU | Biblioteca Universitaria, Valencia, Spain |
| Valencia Escolapios | Biblioteca del Convento de PP. Escolapios, Valencia, Spain |
| Vancouver TOGdeP | Canada |
| VAS | Victor A. Schaefer, South Bend IN, USA |
| VasCL | Vassar College, Poughkeepsie NY, USA |
| Västerås LB | Stifts- och Landsbiblioteket, Västerås, Sweden |
| Vaticano BAV | Biblioteca Apostolica Vaticana, Città del Vaticano |
| VBG | Mrs Virginia Boyd Goult, Chicago IL, USA |
| VdeG | Victor de Guinzbourg, New York NY, USA |
| Venegono Sem | Biblioteca del Seminario Arcivescovile, Venegono (Varese), Italy |
| Venezia C | Museo Civico Correr, Venice, Italy |
| Venezia Fond | Cini Fondazione Cini, Venice, Italy |
| Venezia N | Biblioteca Nazionale Marciana, Venice, Italy |
| Venezia Sem | Biblioteca del Seminario PA, USAtriarcale, Venice, Italy |
| Vercelli C | Biblioteca Comunale, Vercelli, Italy |
| Verona C | Biblioteca Civica, Verona, Italy |
| VG | Valentine Giamatti, South Hadley MA, USA |
| Vicenza C | Biblioteca Comunale, Vicenza, Italy |
| Vienna Benedikt | Schottenstift, Benediktinerabtei, Vienna, Austria |
| Vienna ÖNB | Österreichische Nationalbibliothek, Vienna, Austria |
| Vienna UB | Universitätsbibliothek, Vienna, Austria |
| Vilnius Akad | Centrine Biblioteka, Lietuvos TSR Mokslu Akademija, Vilnius, Lithuania |
| VilUL | Villannova, University Library, Villanova PA, USA |
| VinOCathL | Vincennes Old Cathedral, Vincennes IN, USA |
| Virginia UL | University of Virginia Library, Charlottesville VA, USA |
| Volterra Guarn | Biblioteca Guarnacciana, Volterra, Italy |
| Vorau Aug | Augustiner-Chorherrenstift, Vorau, Austria |
</block>
== W ==
<block tableinvisible>
| WACML | William Andrews Clark Memorial Library, University of California, Los Angeles CA, USA |
| WAD | William A. Didier, Fort Wayne IN |
| Walters Art Gall | The Walters Art Gallery, Baltimore MD, USA |
| Warsaw N | Biblioteka Narodowa, Warsaw, Poland |
| Warsaw Sem | Biblioteka Seminarium Duchownego, Warsaw, Poland |
| Warsaw U | Biblioteka Uniwersytetu, Warsaw, Poland |
| WArtGL | Walters Art Gallery, Baltimore MD, USA |
| WaSUL | Wayne State University, University Libraries, Detroit MI, USA |
| WatkL | Watkinson Library, Trinity College, Hartford CT, USA |
| WatL | Watertown Library, Watertown CT, USA |
| WaUL | Washington University Libraries, St. Louis MO, USA |
| WaU(M)L | Washington University, School of Medicine, St. Louis MO, USA |
| WBB | Mrs. Walter B. Beals, Olympia WA, USA |
| WBCL | West Baden College, West Baden Springs IN, USA |
| WBE | Capt. William B. Edelman, Fairfax VA, USA |
| WBS | Walter B. Sheppard, Denver CO, USA |
| WCaL | Washington Cathedral Library, Washington DC, USA |
| WCB | William C. Beck, M.D., Waverly NY, USA |
| WCW | Wesley C. Williams, Gates Mills OH, USA |
| WdCL | Woodstock College Library, USA |
| WDM | William D. Morgan, St. Paul MN, USA |
| WDMer | Walter D. Merwin, Clarence Center, New York NY, USA |
| WeBL | United States Weather Bureau, Washington DC, USA |
| Wellesley Coll | Wellesley College Library, Wellesley MA, USA |
| Wellington ATL | New Zealand |
| Wellington PL | New Zealand |
| WellsCL | Wells College Library, Aurora NY, USA |
| WELo | W. Easton Louttit, Jr., Providence RI, USA |
| Wesleyan UL | Wesleyan University Library, Middletown CT, USA |
| WGL | William G. Lennox, M.D., Boston MA, USA |
| WHLow | Warren H. Lowenhaupt, New Haven CT, USA |
| WHS | William H. Schab, bookseller, New York NY, USA |
| WHSL | Wisconsin State Historical Society, Madison WI, USA |
| Wieliczka Par | Kosciól Parafialny, Wieliczka, Poland |
| WillCL | Williams College Library, Williamstown MA, USA |
| Winchester College | Winchester, Hampshire, UK |
| Winnipeg St John's College | Canada |
| Wisbech Museum | Wisbech, Cambridgeshire, UK |
| WJeCL | William Jewell College, Liberty MO, USA |
| WLCleL | William L. Clements Library, University of Michigan, Ann Arbor MI, USA |
| W&LUL | Washington and Lee University, Lexington KY, USA |
| Wloclawek Sem | Biblioteka Seminarium Duchownego, Wloclawek, Poland |
| W&MCL | William and Mary College, Williamsburg VA, USA |
| WMIj | William M. Ivins, Jr., Estate of, Woodbury CT, USA |
| WobPL | Woburn Public Library, Woburn MA, USA |
| Wolfenbüttel HAB | Herzog August Bibliothek, Wolfenbüttel, Germany |
| WorCoLL | Worcester County Law Library Association, Worcester MA, USA |
| WorFPL | Free Public Library, Worcester MA, USA |
| WPtL | United States Military Academy, West Point NY, USA |
| WPW | William P. Wreden, bookseller, PA, USAlo Alto CA, USA |
| WR | Ward Ritchie, Los Angeles CA, USA |
| WResUL | Western Reserve University Libraries, Cleveland OH, USA |
| Wroclaw Kap | Biblioteka Kapitulna, Wroclaw, Poland |
| Wroclaw U | Biblioteka Uniwersytetu, Wroclaw, Poland |
| WS | Wladimir Seidel, Notre Dame IN, USA |
| Wsal | William Salloch, bookseller, Ossining NY, USA |
| WSG | William S. Glazier, Estate of, New York NY, USA |
| WStCL | State College of Washington, Pullman WA, USA |
| WT | William Targ, New York NY, USA |
| Würzburg UB | Universitätsbibliothek, Würzburg, Germany |
| WV | Willis Van Devanter, Upperville VA, USA |
| WVUL | West Virginia University, Morgantown WV, USA |
| WY | Winona Young, Chicago IL, USA |
| WyCL | Wycliffe College, University of Toronto, Canada |
</block>
== X == 
<block tableinvisible>
| XavUL | Xavier University Library, Cincinnati OH, USA |
</block>
== Y ==
<block tableinvisible>
| Yale CBA | Mellon Center for British Art, Yale University, New Haven CT, USA |
| Yale UL | The Beinecke Library, Yale University, New Haven CT, USA |
| YarnL | Yarnall Library of Theology, St. Clement's Church, Philadelphia PA, USA |
| Yokohama Kanagawa UL | Japan |
| York Minster | The Minster Library, York, Yorkshire, UK |
| YUL | Yale University Library, New Haven CT, USA |
| YU(A)L | Yale University, School of the Fine Arts, New Haven CT, USA |
| YU(L)L | Yale University, Law School Library, New Haven CT, USA |
| YU(M)L | Yale University, Historical Library of the Medical School, New Haven CT, USA |
| YU(Mus)L | Yale University, Music School, New Haven CT, USA |
| YU(T)L | Henry C. Taylor Collection, New York NY, USA |
</block> 
== Z ==
<block tableinvisible>
| Zagreb JA | Jugoslavenske Akademije, Zagreb, Croatia |
| Zofingen StB | Stadtbibliothek, Zofingen, Switzerland |
| ZReL | Zion Research Library, Brookline MA, USA |
| Zürich ZB | Zentralbibliothek, Zürich, Switzerland |
| Zutphen Librye | Librye der St. Walburgskerk, Zutphen, The Netherlands |
| Z&VB | Zeitlin & Ver Brugge (booksellers), Los Angeles CA, USA |
| Zwickau RatsSchB | Ratsschulbibliothek, Zwickau, Germany |
</block>|