- Independent Treasury4
- Indian Affairs Bureau606
- Indian Affairs Committee1,902
- Indian Affairs Committee (House)59
- Indian Affairs Committee, House1,059
- Indian Affairs Committee, Senate1,196
- Indian Affairs Office902
- Indian Affairs, Committee9
- Indian Affairs, Committee on123
- Indian Affairs, Joint Commission to Investigate12
- Indian Affairs, Office of39
- Indian Arts and Crafts Board7
- Indian Bureau208
- Indian Bureau (Interior Department)83
- Indian Claims Commission4
- Indian Commissioners11
- Indian Commissioners Board26
- Indian Commissioners Board (Interior Department)1
- Indian Commissioners, Board of2
- Indian Depredations Committee9