Cosmology and Ethnology
Figure 13a - Amos Bad Heart Bull, plate 187.
Helen H. Blish, A Pictographic History of the Oglala Sioux.
Lincoln: University of Nebraska Press, 1967.
Figure 13b - Black Hawk Ledger Book, plate 490
Courtesy of the Eugene and Clare Thaw Collection,
New York State Historical Association, Cooperstown, NY.
Ross
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