The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 120 million items on approximately 530 miles of bookshelves. The collections include more than 18 million books, 2.5 million recordings, 12 million photographs, 4.5 million maps, and 54 million manuscripts. The Library's 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 Library's mission.
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