Library of Congress Law and Legal Definition

The Library of Congress is the research library of the U.S. Congress which was established in 800. By virtue of millions of books, recordings, photographs, maps and manuscripts in its collections, it is the largest library in the world. The head of the Library is the Librarian of Congress. The Library's mission is to support the Congress in fulfilling its constitutional duties and to further the progress of knowledge and creativity for the benefit of the American people.