- Axelrod and Associates34
- Carter, Jimmy, 1924-34
- Amtrak33
- Navajo Nation33
- Smith and Harroff, Inc.33
- United States. Congress. House. Committee on Interior and Insular Affairs33
- United States. Congress. Senate33
- Austin and Sheinkopf32
- Rockefeller, John D., IV (John Davison), 1937-32
- United Mine Workers of America32
- United States. Constitution. 19th Amendment32
- Ferguson, Homer, 1888-198231
- Fletcher and Rowley Consulting, Inc.31
- Ottawa Tribe31
- Cramer, William C., 1922-200330
- Mink, Patsy T., 1927-200230
- United States. Department of the Interior30
- United States. Bureau of Mines29
- Chilocco Indians28
- Miami Tribe of Oklahoma of Oklahoma28