Sioux Indian Tribes, North and South Dakota : hearings before the United States House Committee on Interior and Insular Affairs, Subcommittee on Indian Affairs, Eighty-Fourth Congress, first session, on Sept. 9, 10, 12, 1955.
Committee Serial No. 20. Hearings were held on Sept. 9 at Fort Yates, N.Dak., Cheyenne River Agency, S.Dak., and Pierre, S.Dak., on Sept. 10 at Lower Brule Reservation, S.Dak., and Fort Thompson, S.Dak., and on Sept. 12 at Pine Ridge, S.Dak., and Rosebud Indian Reservation, S.Dak.