The world's largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S. Copyright Office.

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 …

The world’s largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S. Copyright Office.

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 …

Contains over 20 million catalog records for books, serials, manuscripts, maps, music, recordings, images, and electronic resources in the Library of Congress collections.

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.

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.

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

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 …

The Veterans History Project at the Library of Congress collects, preserves and makes accessible the firsthand recollections of U.S. military veterans who served from World War I through more recent …