Library of Congress

Online Catalog

Library of Congress > Library Catalogs
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Library of Congress Online Catalog

Due to construction in the Jefferson Building, the Local History and Genealogy Reference Collection and the Jefferson study shelves will be unavailable from July 13 through July 24. See News and Announcements for more information.

Contains 18 million catalog records for books, serials, manuscripts, maps, music, recordings, images, and electronic resources in the Library of Congress collections. Search LC Authorities at authorities.loc.gov.

Additional Catalogs & Research Tools

The LC Online Catalog is the main access point to the Library's collections. Click on the links below to use specialized catalogs and tools that provide access to additional LC resources: