Oglalla Boarding School, Pine Ridge Agency; Photographer: S.D. Butcher and H.C. Orvis, West Union, Neb, 1891

Oglalla Boarding School, Pine Ridge Agency; Photographer: S.D. Butcher and H.C. Orvis, West Union, Neb, 1891, Box: 1, Folder: 17. Photographs from the Indian Territory, RH PH 7. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/328075 Accessed December 25, 2025.