Indians. Survey of conditions of Indians in United States. pt. 23. Hearings before subcommittee, 72d Congress, 1st session [71st Congress], pursuant to S. Res. 79 and 308, 70th Cong., and S. Res. 263 and 416, 71st Cong., directing Committee on Indian Affairs, Senate, to make general survey of condition of Indians of United States, continuing until end of regular session of 71st [72d] Congress Senate resolution numbered 79 authorizing general survey of Indian conditions.