Discover the Library of Congress
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.
Use the online catalog to search the Library's collections by keyword or browse materials by subject, title, author & more. While much of our content is available in digital format, a majority of the collections have not yet been digitized.
Access online collections: view maps & photographs; read letters, diaries & newspapers; hear personal accounts of events; listen to sound recordings & watch historic films. View all digital collections
Interact with knowledgeable librarians & subject specialists -- online and in our reading rooms in Washington, D.C. Go beyond the digital collections.
Volunteer online with By the People to uncover our shared history. Transcribe, review & tag digitized material to make documents more searchable for everyone.