Home | Library of Congress
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 (LOC) serves as the research library that officially serves the United States Congress and is the de facto national library of the United States. It is the oldest federal cultural institution in the country. The Library is housed in three buildings on Capitol Hill in Washington, D.C.; it also maintains the Packard Campus in Culpeper, Virginia, which houses the National Audio-Visual Conservation Center.
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Domain Rating
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Domain Authority
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Citation Level
1800
English, etc
Key Features of the Site
Digital Collections
Access to millions of digitized items including books, newspapers, manuscripts, maps, and photographs.
Research Guides
Comprehensive guides on a wide range of topics to assist researchers in finding relevant materials.
Online Catalog
A searchable database of the Library's collections, including books, serials, manuscripts, maps, music, recordings, images, and electronic resources.
Educational Resources
Resources for teachers and students, including lesson plans, primary source sets, and professional development opportunities.
Exhibitions
Online and physical exhibitions showcasing the Library's vast collections and telling stories of American history and culture.
Ask a Librarian
A service that allows users to ask questions and receive answers from Library of Congress reference librarians.
Copyright Information
Comprehensive information on copyright law, registration, and services provided by the U.S. Copyright Office.
Legislative Information
Access to legislative information, including the Congressional Record, bills, and laws.
International Collections
Collections that include materials from around the world, in many languages, covering a wide range of subjects.
Preservation
Information on the Library's efforts to preserve its collections for future generations, including conservation and digitization projects.
Similar Sites and Competitors to loc.gov
Additional information
Location
Washington, D.C., United States
Collection Size
Over 170 million items
Director
Carla Hayden
Website
https://www.loc.gov
Social Media
Active on platforms like Twitter, Facebook, and Instagram to engage with the public and share updates.
Public Access
Open to the public for research and reference, with some restrictions on certain collections.
Special Collections
Includes rare books, special format materials, and unique items of historical significance.
Digital Preservation
Efforts to ensure long-term access to digital content, including web archiving and digital repository services.
HTTP headers
Security headers report is a very important part of user data protection. Learn more about http headers for loc.gov