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Explore the world's largest library with online and in-person access to historic collections, exhibitions, events and more. Learn about the Library's role in U.S. history, culture and copyright.
- Chronicling America
Library of Congress
- Prints & Photographs
The Prints and Photographs Online Catalog (PPOC) contains...
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- Free to Use and Reuse
These sets are just a small sample of the Library's digital...
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- Digital Collections
The Library of Congress has received multiple complaints of...
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- Exhibitions
Thomas Jefferson's Library. Southwest Pavilion, Second...
- Chronicling America
The Library of Congress (LOC) is a research library in Washington, D.C., that serves as the library and research service of the U.S. Congress and the de facto national library of the United States. Founded in 1800, the library is the United States's oldest federal cultural institution.
- 3,105
- 173 million items
- April 24, 1800; 223 years ago
- Washington, D.C.
Congress.gov is the official website for U.S. federal legislative information. It provides access to bills, laws, reports, hearings, calendars, and more from the Library of Congress.
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The Library of Congress welcomes researchers to its reading rooms and research centers. Appointments are optional, but encouraged to serve you best, ensure collection material is accessible during your visit and optimize your time at the Library.
Jan 25, 2018 · Learn about the history, collections and facts of the Library of Congress, the national library of the United States and the largest library in the world. Find out how it was founded, expanded, acquired historic documents and became a digital resource.
Apr 21, 2024 · Library of Congress, the de facto national library of the United States and the largest library in the world. Its collection was growing at a rate of about two million items per year; it reached more than 170 million items in 2020.