Library of Congress - Biblioteca del Congresso

The Library of Congress. 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. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts. La Biblioteca del Congresso è, con oltre 128 milioni di documenti, la più grande biblioteca del mondo.