- Cheyenne and Arapaho Tribes7
- Fong, Hiram, 1906-20047
- Humphrey, Hubert H. (Hubert Horatio), 1911-19787
- Mink, Patsy T., 1927-20027
- Osage Tribe, Oklahoma7
- Burns, John Anthony, 1909-19756
- Hatch, William6
- Library Of Congress. Legislative Reference Service.6
- Mansfield, Mike, 1903-20016
- Matsunaga, Spark M., 1916-19906
- Peterson, Arthur6
- Apache Tribe of Oklahoma5
- Choctaw Nation of Oklahoma5
- Delaware Tribe of Indians5
- Giugni, Henry K. (Henry Kuualoha), 1925-20055
- Gratz, H. Tucker5
- Celler, Emanuel, 1888-19814
- Cherokee Nation4
- Creek Nation4
- Ervin, Sam J., Jr. (Sam James), 1896-19854
