Library of Congress
The Library of Congress provides Congress with objective research to inform the legislative process, administers the national copyright system, and manages the largest collection of books, recordings, photographs, maps and manuscripts in the world.
Agency profile
Core identity, hierarchy, and public contact details from the authoritative directory.
- Official name
- Library of Congress
- Display name
- Library of Congress
- Branch
- Legislative
- Agency type
- agency
- Phone
- 1-202-707-5000
- Main address
- 101 Independence Ave., SE Washington, DC 20540
Recent rules and notices
Recent Federal Register items published by this agency. Read the summary here or jump to the raw public record.