Library of Congress > Discover

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

  • 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.

Digital Collections

Access online collections: view maps & photographs; read letters, diaries & newspapers; hear personal accounts of events; listen to sound recordings & watch historic films.

Research & Reference

  • Interact with knowledgeable librarians & subject specialists -- online and in our reading rooms in Washington, D.C. Go beyond the digital collections.


  • Audio Podcasts

    Subscribe to series of interviews, story chapters, lectures, even historic first person narratives.

  • Video Webcasts

    Watch presentations from authors, scholars & artists who come to the Library.