Williams, Lucy F. Guide to the North American Ethnographic Collection at the University of Pennsylvania Museum of Archaeology and Anthropology. Philadelphia: University of Pennsylvania Museum of Archaeology and Anthropology, 2003. See: p. 61, pl. 65
Owczarek, Nina, William S. Wierzbowski, and W. C. Petersen. "A rare reference resource: five Lakota painted buffalo robes from Standing Rock Reservation." In Engaging Conservation; Collaboration across Disciplines, by Nina Owczarek, et al. 219-230. London: Archetype Publications Ltd., 2017. See: Figure 6
Ewers, J.C. Plains Indian Painting: A Description of an Aboriginal American Art. Palo Alto: Stanford University Press, 1939. Page/Fig./Plate: 68 Page/Fig./Plate: 68