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.
Catalogs & Finding Aids
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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. Use finding aids to discover the rich content within our thousands of unique collections.
Format
Research & Reference
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Interact with knowledgeable librarians & subject specialists -- online and in our reading rooms in Washington, D.C. Go beyond the digital collections.
Crowdsourcing
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Volunteer online with By the People to uncover our shared history. Transcribe, review & tag digitized material to make documents more searchable for everyone.
Popular
Multimedia
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Audio Podcasts
Subscribe to series of interviews, story chapters, lectures, even historic first person narratives.
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Video Webcasts
Watch presentations from authors, scholars & artists who come to the Library.