The Library of Congress is the nations oldest federal cultural institution and serves as the research arm of Congress. It is also the largest library in the world, with millions of books, recordings, photographs, maps and manuscripts in its collections. The Librarys mission is to make its resources available and useful to the Congress and the American people and to sustain and preserve a universal collection of knowledge and creativity for future generations. The Office of the Librarian is tasked to set policy and to direct and support programs and activities to accomplish the Librarys mission.

Address: 101 Independence Ave, SE,Washington, DC 20540
Telephone: (202) 707-5000
Website: http://www.loc.gov/