Search results
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.
- Services & Programs
Learn how the Library of Congress collects, preserves &...
- Discover
Discover the Library of Congress. Search millions of items...
- Education
The Library of Congress offers classroom materials and...
- Help
Library of Congress Search Everything Audio Recordings...
- Ask a Librarian
Access hundreds of resource guides created by Library of...
- Exhibitions
Thomas Jefferson's Library. Southwest Pavilion, Second...
- Teachers
A nationwide network of partners that helps the Library of...
- Connect
You can stay in touch with the Library of Congress & learn...
- Services & Programs
Searches for Library of Congress Control Numbers (LCCN), International Standard Book Numbers (ISBN), and International Standard Serial Numbers (ISSN). Numbers must be entered in exact order beginning with the first character.
Learn about the mission, organization and services of the largest library in the world and the main research arm of the U.S. Congress. Explore the Library's collections, access online resources and visit the Library in person in Washington, D.C.
Search the Library's catalog and find digitized materials in various formats and languages. Explore online exhibitions, multimedia, and crowdsourcing projects, or consult with staff for research assistance.
Learn how to plan your visit to the Library of Congress, the largest library in the world. Find out about visitor hours, timed-entry tickets, exhibitions, reading rooms, shopping and more.
Explore the Library of Congress's vast collections of books, journals, newspapers, manuscripts, maps, photographs, and more. Find research guides, digital collections, databases, and services for on-site and remote users.
Learn about the history, buildings, collections and services of the Library of Congress, the largest library in the world. Find out how to visit, access and use the Library's resources online and onsite.