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Query examples
DIM (8o or 8vo or oct* or in-8*)
finds the majority of editions in octavo format.
prn (exlibris or "ex libris") and Esterhazy
finds copies of books with these search terms in their copy-specific description.
foc bayerische staatsbibliothek
finds all copies of books with these search terms in a former owner entry.
ipn elsevier d?
finds all editions with these search terms in either the imprint or recorded as added entries with a role related to the physical production of the book.