Due to the temporary shutdown of the federal government beginning October 1, 2025, all Library of Congress buildings are closed and all public events are canceled until further notice.

Welcome to the Library of Congress, your gateway to knowledge. Use our vast digital resources from anywhere or visit our specialized research centers in Washington, DC, to dive deeper.

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 …

The Library of Congress is the largest library in the world, with millions of books, films and video, audio recordings, photographs, newspapers, maps and manuscripts in its collections. The Library is the …

Jun 30, 2025 · Learn about exhibitions, public events, and view maps and floorplans for the Library of Congress.

We’re excited to welcome you to the Library of Congress. Free timed-entry tickets are required to enter the Library’s Thomas Jefferson Building.

Learn how the Library of Congress collects, preserves & provides access to its universal collections. Get the free tools and standards used by libraries, archives, and publishers.

The Prints and Photographs Online Catalog (PPOC) contains catalog records and digital images representing a rich cross-section of still pictures held by the Prints & Photographs Division and, in …

Research guides to the Library's collections, as well as subject guides prepared by Library of Congress staff, are listed below. More online guides covering other Library of Congress collections are …

Today's Library of Congress is an unparalleled world resource. The collection includes millions cataloged books and other print materials in 470 languages; millions of manuscripts; the largest rare …