an expert in bibliography.
a person who compiles bibliographies.

Origin of bibliographer

1650–60; < Greek bibliográph(os) book-writer (see biblio-, -graph) + -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bibliographer

Historical Examples of bibliographer

Word Origin and History for bibliographer

1650s, from Greek bibliographos "writer of books, transcriber, copyist," related to bibliographia (see bibliography).

Online Etymology Dictionary, © 2010 Douglas Harper