Index: Papers of John Adams, Volume 15, I

• Idstein, Germany
• Illyricum (now Croatia and Bosnia and Herzegovina)
• Immigration
• Independent Chronicle (Boston)
• Independent Ledger (Boston)
• India
• Indigo
• Ingraham, Duncan, Jr. (Amsterdam merchant)
• Ingraham & Bromfield (Amsterdam mercantile firm)
• Ink
• Insurance
• Interest
• Ireland
• Iron
• Iron Act (1750)
• Iroquois River
• Isle Royale, Mich.
• Italy
• Izard, Ralph (S.C. member of Congress)