Studio portrait of Bertram Mitchell and Clarence White Thunder (here Big White Thunder), both wearing school uniforms. People Mitchell, Bertram White Thunder, Clarence Nation Omaha Sioux Sioux (Wazaza) Time Period 1880-1889 Repository National Anthropological Archives, Smithsonian Institution Location NAA 74006; Photo Lot 81-12 06877800 Format Glass Plate Negative Photographer John N. Choate, Carlisle, PA
