Studio portrait of Joseph Schweigman and Frank Conroy, both wearing school uniform. People Schweigman, Joseph Conroy, Frank Nation Sioux Sioux (Oglala) Sioux (Brule) Time Period 1880-1889 Repository National Anthropological Archives, Smithsonian Institution Location NAA 74002; Photo Lot 81-12 06877400 Format Glass Plate Negative Photographer John N. Choate, Carlisle, PA