Index: Papers of John Adams, Volume 14, I
- Illinois
- Immigration
- Independence National Historical Park, Philadelphia
- Independent Chronicle (Boston)
- India
- Indigo
- Ingraham, Duncan, Jr. (Amsterdam merchant)
- Ingraham, Sophia May (daughter of Duncan)
- Ingraham, Susannah Greenleaf (wife of Duncan)
- Ingraham & Bromfield (Amsterdam mercantile firm)
- Ireland
- Iron
- Iroquois River
- Isle Royale, Mich.
- Italy
- Izard, Ralph (S.C. member of Congress)