The Library of Congress is the largest library in the world, with millions of books, films and video, audio recordings, photographs, newspapers, maps and manuscriptsin its collections. The Library is the main research arm of the U.S. Congress and the home of the U.S. Copyright Office.
Discover the Library of Congress. Search millions of items in many formats and languages. Explore a growing treasury of digitized materials. Consult with staff online or in one of the research centers to find what you're looking for.
Online Catalog. The Library of Congress Online Catalog contains approximately 14 million records representing books, serials, computer files, manuscripts, cartographic materials, music, sound recordings, and visual materials. The Online Catalog also displays searching aids for users, such as cross-references and scope notes.
Services & Programs. Learn how the Library of Congress collects, preserves & provides access to its universal collections. Get the free tools and standards used by libraries, archives, and publishers.
The starting point for researchers using the Library of Congress, both on-site and remotely via the Web. Links are provided to all research centers and reading rooms, as well as all services available for public researchers and scholars.
Databases (Library of Congress Electronic Resources Online Catalog). Licensed and recommended free databases, indexing and abstracting services, and full-text reference resources.
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Library of Congress. (LOC) The Library of Congress provides Congress with objective research to inform the legislative process, administers the national copyright system, and manages the largest collection of books, recordings, photographs, maps and manuscripts in the world.