1. The Horse and Dog in Hidatsa Culture;Wilson;Anthropological Papers of the American Museum of Natural History,1924
2. Material Culture of the Blackfoot Indians;Wissler;Anthropological Papers of the American Museum of Natural History,1910
3. Reports of the Awatovi Expedition;Lawrence;Papers of the Peabody Museum of Archaeology and Ethnology, Harvard University,1951
4. Lehmer, Donald J. n.d. Archeological Investigations in the Oahe Dam Area 1950–1951. Bureau of American Ethnology, Bulletin (in press).