Cosmology and Ethnology
Figure 17a - Black Hawk Ledger Book, plate 30
Courtesy of the Eugene and Clare Thaw Collection,
New York State Historical Association, Cooperstown, NY.

Figure 17b - Amos Bad Heart Bull, plate 318.
Helen H. Blish, A Pictographic History of the Oglala Sioux.
Lincoln: University of Nebraska Press, 1967.
Ross Frank Home Page