Icard, Charles [1 reference]

Ignatius, Bishop of Antioch [2 references]

Illinois [2 references + 6 subentries]

Illinois Intelligencer (Vandalia) [1 reference]

Illundáin, Francisco Espoz (Francisco Espoz y Mina) [See redirect]

impeachment [1 reference]

impressment [3 references]

Inaugural Discourse, Delivered before the New-York Horticultural Society at Their Anniversary Meeting, on the 31st of August, 1824 (Hosack) [1 reference]

Independent Reflector (N.Y.) [1 reference]

India [1 subentry]

Indian Affairs, superintendent of [1 reference]

Indiana Territory [3 references]

Indians [4 references + 25 subentries + 1 “see also” entry]

Indian trade [1 subentry]

Ingersoll, Charles Jared [3 references + 1 subentry]

Inquiry into the Importance of the Militia to a Free Commonwealth (Sumner) [2 references]

insects [3 references + 5 subentries + 2 “see also” entries]

Inside Out (Coffey) [3 references]

Institutes of the Lawes of England (E. Coke) [1 reference]

Institution de la Religion Chrétienne (Calvin) [2 references]

insurance [1 subentry]

Intelligencer (Clarksburg, Va. [now W. Va.]) [1 reference]

internal improvements [19 references + 2 subentries + 2 “see also” entries]

international law [6 references]

inventions [1 reference]

Ireland [2 references + 2 subentries]

Irenaeus of Lyon [2 references]

Isaac (biblical character) [1 reference]

Isidorus of Pelusium [2 references]

Italy [5 subentries]

Iturbide, Agustín de [7 references + 2 subentries + 1 “see also” entry]

Ivory, James [3 references + 1 subentry]

Izard, George [9 references]