Survey of Conditions of the Indians in the U.S. hearings before the United States Senate Committee on Indian Affairs, Subcommittee on S. Res. 79, Seventy-First Congress, first session, on July 13, 15-17, 1929. Part 7, South Dakota :

July 13 hearing was held in Wagner, S.Dak.; July 15 hearing was held in Pine Ridge, S.Dak.; July 16 hearing was held in Rosebud, S.Dak.; and July 17 hearing was held in Pierre, S.Dak.