The American Library Association, headquartered in Philadelphia, urged on by Melvil Dewey, standardized the size of library catalogue cards.
At this time most libraries had their main catalogue in book form.
3874 entries. Last updated May 21, 2013.
The American Library Association, headquartered in Philadelphia, urged on by Melvil Dewey, standardized the size of library catalogue cards.
At this time most libraries had their main catalogue in book form.
