https://cerl.org/ 2026-05-14T13:16:03+00:00 https://cerl.org/ https://cerl.org/_media/wiki/dokuwiki.svg text/html 2016-09-19T13:35:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://cerl.org/help/istc/editing/referenceworks?rev=1474292125&do=diff Reference Works used in ISTC Abbott Abbott, T.K. Catalogue of fifteenth-century books in the Library of Trinity College, Dublin and in Marsh’s Library, Dublin, with a few from other collections. Dublin, 1905.Accurti(1930) Accurti, Thomas. Editiones saeculi XV pleraeque bibliographis ignotae. Florentiae, 1930. text/html 2026-03-05T17:00:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://cerl.org/help/incunabula/shelfmark_patterns?rev=1772730015&do=diff Patterns of Historic Shelfmarks Id Sample Pattern Remark text/html 2026-03-26T08:59:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://cerl.org/help/ipi/main?rev=1774515576&do=diff Paul Needham: Index Possessorum Incunabulorum Index Possessorum Incunabulorum is a list of owners of incunabula that Dr Paul Needham, Scheide Librarian, Scheide Library, Princeton University Library, has steadily grown throughout his career. We are very grateful to Dr Needham for letting CERL make available to the public his extraordinary tool for provenance research.