Library of Congress

Online Catalog

Library of Congress > Library Catalogs
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Library of Congress Online Catalog

Due to construction, most materials on Deck 13 of the European Reading Room will not be available from March 30 to April 10. See News and Announcements for details.

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: