card catalog

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An alphabetical listing, especially of books in a library, containing information about each item, historically on cards in a file.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an alphabetical listing of items (e.g., books in a library) with a separate card for each item
• noun a library catalog in which each publication is described on a separate file card