Tinney, Stephen J. Journey to the City: A Companion to the Middle East Galleries at the Penn Museum. University of Pennsylvania Press, 2019. See: Page 281, Figure 10.10 (bottom)
Olsen, Sandra L., and Cynthia Culbertson. A gift from the desert : the art, history, and culture of the Arabian horse. Lexington: Kentucky Horse Park, 2010. See: pg.121/ fig.88
Legrain, Leon. Terra-Cottas from Nippur. Publications of the Babylonian Section ed. XVI. Philadelphia: University of Pennsylvania Press, 1930. Page/Fig./Plate: 1-52, 445 plates See: no. 251