Studio portrait of Ernest (Knocks Off) wearing a school uniform. People Ernest Nation Sioux Time Period 1880-1889 Repository National Anthropological Archives, Smithsonian Institution Location NAA_73387; Photo Lot 81-12 06816100 Related Images Ernest (Knocks Off) [version 2], c.1880 Format Glass Plate Negative Photographer John N. Choate, Carlisle, PA