The Library of Congress is the world’s largest library, offering access to the creative record of the United States — and extensive materials from around the world — both on-site and online. It is the main research arm of the U.S. Congress and the home of the U.S. Copyright Office. Explore collections, reference services and other programs and plan a visit at ; access the official site for U.S. federal legislative information at congress.gov; and register creative works of authorship at .
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