American Presidents and Politics
- Congressional Record 1873-2011
- Franklin Delano Roosevelt Presidential Library and Museum
- Historical Documents and Speeches
- Library of Congress
- Links to Presidential Libraries
- National First Ladies’ Library
- The American Presidency Project
- Theodore Roosevelt Center, Dickinson State University
- Theodore Roosevelt Collection, Harvard University
- Theodore Roosevelt Presidential Library
- White House Speeches and Remarks
- William Howard Taft, The American Presidency Project
- Woodrow Wilson, The American presidency Project
Cultural/Social History
- Doc South Collections
- Louisiana Digital Library
- The Eleanor Roosevelt Papers Project
- Swarthmore College Peace Collection
- The Tamiment Library and Robert F. Wagner Labor Archives, NYU
Foreign Policy and Transnational Relations
- Bulletin of Atomic Scientists
- Cold War International History Project, Wilson Center
- Cold War Studies, Harvard University
- Cold War Studies Program, LSE
- Historical Documents, U.S. Department of State
- Meeting of Frontiers
- State Department Diplomatic Cables, 1973-1976
- Frontline Diplomacy Oral History Project
National Security
- Atomic Archive
- Electronic Reading Room, CIA
- Electronic Reading Room, FBI
- Federation of American Scientists
- Nuclear Weapon Archive
- The National Security Archive, George Washington University