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Bray, K.M., ‘Making the Oglala Hoop: Oglala Sioux Political History, Part II: 1825-1841, & Part III: 1841-1850’, English Westerners’ Society, American Indian Studies Nos. 4 & 5 (1985)
Carley, Kenneth, The Sioux Uprising of 1862, The Minnesota Historical Society, St Paul (1976)
Case, Ralph Hoyt, One Hundred and First Anniversary of the Treaty of Fort Laramie 1851, National Press Building, Washington, DC (1952)
Ewers, J.C., ‘Hairpipes in Plains Indian Adornment, a study in Indian and white ingenuity’, Anthropological Papers No. 50, Bureau of American Ethnology, Bull.164 (1957)
Hail, Barbara A., Hau, Kola, The Plains Indian Collection of the Haffenreffer Museum of Anthropology (1980)
Howard, James H., The Dakota or Sioux Indians, a Study in Human Ecology published by the Dakota Museum, University of South Dakota, Vermilion, South Dakota (1966)
Howard, James H., The Canadian Sioux, University of Nebraska Press, Lincoln & London (1984)
Meyer, Roy W., History of the Santee Sioux, United States Indian Policy on Trial, University of Nebraska Press (1967)
Powers, William K., Oglala Religion, University of Nebraska Press (1975)
Smith, J.L., ‘A Short History of the Sacred Calf Pipe of the Teton Dakota’, Museum News, University of South Dakota, Vermillion, South Dakota (July-August 1967)
Tanner, Helen Hornbeck (ed), Atlas of Great Lakes Indian History, University of Oklahoma Press (1987)
Taylor, C.F., ‘Wakanyan: Symbols of Power and Ritual of the Teton-Sioux’, The Canadian Journal of Native Studies, Brandon University, Brandon, Manitoba (1988)
Wallis, Wilson D., ‘The Canadian Dakota, Vol.41: Pt 1’, Anthropological Papers of the American Museum of Natural History, New York (1943)
Sioux Sun Dance, early 20th century; male dancers before the centre pole inside the Sun Dance Lodge. (Postcard, author’s collection)