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 74, Figure 3.13
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: 119
Zettler, Richard L., and Lee C. Horne. Treasures from the Royal Tombs of Ur. University of Pennsylvania Museum of Archaeology and Anthropology, 1998. See: Pages 70-72/Figure 15