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Library of Congress

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.

Contact the Agency or Department

Website: Library of Congress

Address: 101 Independence Ave, SE
Washington, DC 20540

Phone Number: (202) 707-5000
(202) 707-8000 (Visitor Information)