Dictionaries, Thesauruses, Pictures, and Press Releases
- International Brotherhood of Teamsters v. United States
- International Harvester Company
- International Labor Defense
- International Longshoremen's and Warehousemen's Union
- International Order
- International Union of Mine, Mill, and Smelter Workers
- Internment, Wartime
- Interrogation of An Iran Hostage (1979)
- Interstate Commerce Laws
- Interstate Trade Barriers
- Interurban Electric Railways
- Investigating Committees
- Investment Companies
- Iowa Band
- Ipswich Protest
- Iraq-Gate
- Ireland, Relations with
- Iron Act of 1750
- Ironclad Warships
- Irrepressible Conflict