The online public access catalog (OPAC), now frequently synonymous with library catalog, is an online database of materials held by a library or group of libraries.

LibraryWorld Online Patron Access (OPAC) allows easy and quick searching of libraries that are hosted by LibraryWorld. This site uses cookies to manage sessions.

OPAC is an acronym for Online Public Access Catalog. It is an electronic database that replaced the card catalog. It provides bibliographic information about the books and materials in a library.

Sep 8, 2025 · OPAC, or Online Public Access Catalog, is an electronic database that provides library patrons with access to the catalog of books, journals, multimedia, and other resources …

Dec 19, 2022 · The OPAC search form allows searching by any combination of author, title, subject/keyword, date or format. Items that do not indicate a holding location have not been …

Nov 30, 2022 · An OPAC (Online Public Access Catalog) is an online bibliography of a library collection that is available to the public. OPACs developed as standalone online catalogs, …

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Updated tool for exploring Library of Congress authorities. Contains over 20 million catalog records for books, serials, manuscripts, maps, music, recordings, images, and electronic …

Feb 7, 2018 · The Online Public Access Catalogue (OPAC) is a digital database that allows users to search for and access the holdings of a library or a group of libraries.

Jan 21, 2025 · Learn about how customers can place holds in the new OPAC. Find information on how to generate recommendations in the new OPAC. Find information on catalog search …