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The Library of Congress is the largest library in the world, with millions of books, films and video, audio recordings, photographs, newspapers, maps and manuscripts in its collections. The Library is the main research arm of the U.S. Congress and the home of the U.S. Copyright Office.
Research guides to the Library's collections, as well as subject guides prepared by Library of Congress staff, are listed below. More online guides covering other Library of Congress collections are available via the LC Bibliographies, Research Guides and Finding Aids page.
Apr 21, 2024 · Library of Congress, the de facto national library of the United States and the largest library in the world. Its collection was growing at a rate of about two million items per year; it reached more than 170 million items in 2020.
U.S. Congress legislation, Congressional Record debates, Members of Congress, legislative process educational resources presented by the Library of Congress.
Thomas.loc.gov is a website that provides access to legislative information from the U.S. Congress, including bills, resolutions, treaties, committee reports, and the Congressional Record. It is a service of the Library of Congress, the nation's oldest federal cultural institution and the largest library in the world. Thomas.loc.gov is a valuable resource for anyone interested in the history ...
The Library's Controlled Vocabularies website describes the vocabularies and thesauri used in LC Catalog records. One of the Library's most common controlled vocabularies is the Library of Congress Subject Headings (LCSH). In addition to providing cross-references, scope notes identify LC classification numbers associated subject headings and ...
Watch presentations from authors, scholars & artists who come to the Library. Search millions of items in many formats and languages. Explore a growing treasury of digitized materials. Consult with staff online or in one of the research centers to find what you're looking for.
