Library Of Congress - Thomas Jefferson Building

10 First Street, SE
202-707-5000

The Library of Congress is the largest library in the world, with millions of books, 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.

The Library preserves and provides access to a rich, diverse and enduring source of knowledge to inform, inspire and engage you in your intellectual and creative endeavors. Whether you are new to the Library of Congress or an experienced researcher, we have a world-class staff ready to assist you online and in person.

I encourage you to visit the Library of Congress in person in Washington, D.C., explore the Library online from wherever you are and connect with us on social media.