
- The Library of Congress
- History Central
- Gilder Lehrman Institute of American History
- Our Documents
- AMDOCS: Documents for the Study of American History
- The American Colonist’s Library
- Bartleby: American Historical Documents
- American Journeys
- C-SPAN American History TV
- Charles W. Cushman Photograph Collection
- Community Service Society Photographs
- Digital History Reader
- Digital History
- Documenting the American South
- Earliest Voices
- Founders Online
- History Matters
- Immigration in the United States
- Fordham’s Modern History Sourcebook
- Cornell’s Making of America
- National Parks Service Museum Collection
- New York Public Library’s Picture Collection Online
- New York Public Library’s Digital Collection
- Nuclear Files
- Our Americas
- Papers of the War Department
- Cornell’s Political Americana Collection
- Red Scare Image Database
- September 11th Digital Archive
- The United States and its Territories
- World Digital Library
- Teaching American History
- Docs Teach
- Smithsonian Source
- America in Class
- Historical Scene Investigation
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