Studio portrait of Richard Sanderville, William Leighton, and John Frost. Two are in school uniforms. Photographer: John N. Choate, Carlisle, PAFormat: Glass Plate NegativePeople: Sanderville, RichardLeighton, WilliamFrost, JohnNation: PieganBlackfeetBlackfeet (Piegan)CrowTime Period: 1890-1899Repository: National Anthropological Archives, Smithsonian InstitutionLocation: NAA 73996; Photo Lot 81-12 06876800Related Images: Richard Sanderville, William Leighton, and John Frost [version 2], c.1891