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 234, Figure 8.13 (top)
Aruz, Joan. Art of the First Cities: The Third Millennium B.C. from the Mediterranean to the Indus. New York: The Metropolitan Museum of Art, 2003. Page/Fig./Plate: 114
Zettler, Richard L., and Lee C. Horne. Treasures from the Royal Tombs of Ur. University of Pennsylvania Museum of Archaeology and Anthropology, 1998. See: Page 66/Figure 12
