Library of Congress Online Catalog (Library of Congress Public Reading Rooms)

A database of approximately 12 million records representing books, serials, computer files, manuscripts, cartographic materials, music, sound recordings, and visual materials held by the Library of Congress. The Catalog also provides references, notes, circulation status, and information about materials still in the acquisitions stage.

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Prints and Photographs Online Catalog (PPOC) About - Start Searching	Sound Online Inventory & Catalog (SONIC) About - Start Searching	Alternative Interface to the LC Online Catalog (Z39.50) About - Start Searching
WorldCat (OCLC) About - Start Searching	Gateway to Other Libraries' Online Catalogs About - Start Searching	Copyright - Public Records Portal About - Start Searching

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