a history or description of books and manuscripts, with notices of the different editions, the times when they were printed, etc.
a list of books or other printed works having some common theme, such as topic, period, author, or publisher.
a list of the published (and sometimes unpublished) sources of information referred to in a scholarly discourse or other text, or used as reference materials for its preparation.
the branch of library science dealing with the history and classification of books and other published materials.
