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Library of Congress Online Catalog
Search and browse more than 14 million bibliographic records for materials in the Library's diverse collections.

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Library of Congress Authorities
Browse and view authority headings for subjects, names, titles and name/title combinations.

Prints/Photographs Online Catalog
Search and view digital images representing a rich cross-section of still pictures held by the Library. [PPOC]

Sound Online Inventory & Catalog
Search a catalog of 78s, 45s, copyright cassettes and broadcast and archival recordings. [SONIC]

Z39.50 Gateway to Library Catalogs
Gateway access to the Library of Congress catalog as well as other libraries across the globe.

|| Reading & Literacy  ||

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|| Best Practices & Standards  ||

• Authorities & Vocabularies (id.loc.gov)
• Finding Aids (EAD)
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|| Library Functions  ||

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