Index: Papers of John Adams, Volume 18, I

• Immigration
• Impressment
• Independent Chronicle (Boston)
• India
• Indigo
• Ingraham, Duncan, Jr. (Amsterdam and Phila. merchant)
• Insurance
• Interest
• Ipswich, England
• Ireland
• Irish Volunteer Movement
• Iron
• Iroquois Nation
• Irujo, Carlos Martínez de Irujo, Marquis of Casa (Spanish chargé d’affaires to Britain)
• Isabella, Queen of Spain
• Islam
• Isle of Ely, England
• Ismail, Abdallah ibn, Emperor of Morocco (father of Mohammad III)
• Italian language
• Italy
• Ivernois, François d’ (Swiss publisher and lawyer)