Librarian Catalog Card Poster

Librarian Catalog Card Poster

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Librarian Catalog Card PosterThe largest international library catalog in the world is the WorldCat union catalog managed by the non-profit library cooperative OCLC. In January 2021, WorldCat had over 500,000,000 catalog records and over 3 billion library holdings. English inventor Francis Ronalds began using a catalog of cards to manage his growing book collection around 1815, which has been denoted as the first practical use of the system. In the mid-1800s, Natale Battezzati, an Italian publisher, developed a card system for booksellers in which cards represented authors, titles and subjects. Very shortly afterward, Melvil Dewey and other American librarians began to champion the card catalog because of its great expandability. In some libraries books were cataloged based on the size of the book while other libraries organized based only on the author’s name. This made finding a book difficult. A bibliographic item can be any information entity (e.g., books, computer files, graphics, realia, cartographic materials, etc.) that is considered library material (e.g., a single novel in an anthology), or a group of library materials (e.g., a trilogy), or linked from the catalog (e.g., a webpage) as far as it is relevant to the catalog and to the users (patrons) of the library.

Librarian Catalog Card Poster The card catalog was a familiar sight to library users for generations, but it has been effectively replaced by the online public access catalog (OPAC). Some still refer to the online catalog as a “card catalog”. Some libraries with OPAC access still have card catalogs on site, but these are now strictly a secondary resource and are seldom updated. Many libraries that retain their physical card catalog will post a sign advising the last year that the card catalog was updated. Some libraries have eliminated their card catalog in favor of the OPAC for the purpose of saving space for other use, such as additional shelving.


Librarian Catalog Card Poster
Librarian Catalog Card Horizontal Poster

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