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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 162 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.
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.
Presented by the Library of Congress, Congress.gov is the official website for U.S. federal legislative information. More about Congress.gov Visiting the U.S. Capitol
The starting point for researchers using the Library of Congress, both on-site and remotely via the Web. Links are provided to all research centers and reading rooms, as well as all services available for public researchers and scholars.
Learn how the Library of Congress collects, preserves & provides access to its universal collections. Get the free tools and standards used by libraries, archives, and publishers.
Today's Library of Congress is an unparalleled world resource. The collection includes millions cataloged books and other print materials in 470 languages; millions of manuscripts; the largest rare book collection in North America; and the world's largest collection of legal materials, films, maps, sheet music and sound recordings.
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.
