Steigerwalt, Charles. Collection of North American Indian antiquities belonging to the estate of the late Charles Steigerwalt of Lancaster, PA, embracing North American Indian stone Implements, mound builders and Early Aztec Pottery, etc.. Philadelphia: Stanislaus V. Henkels, 1917. See: #547
Wyatt, Victoria. Shapes of Their Thoughts: Reflections of Culture Contact in Northwest Coast Indian Art. University of Oklahoma Press, Norman, Oklahoma, 1984. Page/Fig./Plate: 80 See: p. 61, fig. 67
