Names
- Ponca Tribe of Indians of Oklahoma2
- Ponca Tribe of Nation1
- Poole, William Daniel, 1932-20211
- Porter, Harry H., 1900-19711
- Raspberry, William1
- Redding Jr., William1
- Research Institute1
- Rhode Island Realtors Association, Inc.1
- Rhodes, Fred Burnett, 1913-20011
- Ribicoff, Abraham, 1910-19982
- Sac & Fox Nation, Oklahoma1
- Sac and Fox Nation1
- Saltonstall, Leverett, 1892-19792
- Scott, Hugh, 1900-19941
- Scott, Paul1
- Seminole Nation4
- Seminole Nation of Oklahoma1
- Shawnee Nation2
- Shawnee Tribe2
- Sparks, Bertel M.1
