Publisher
- Grazing Service (formerly Grazing Division)6
- Hawaii46
- Hot Springs Reservation8
- Housing Authority55
- Howard University31
- Hydrographic Division2
- Hydrographic Office41
- Hydrography Division65
- Indian Affairs Office744
- Indian Arts and Crafts Board7
- Indian Bureau183
- Indian Commissioners9
- Indian Commissioners Board21
- Indian Office4
- Indian Schools3
- Indian Schools Superintendent7
- Indian Territory15
- Information Division37
- Interior Department4,821
- Interstate Commerce Commission61