Romano, Irene B. Classical Sculpture; Catalogue of the Cypriot, Greek and Roman Stone Sculpture in the University of Pennsylvania Museum of Archaeology and Anthropology. Philadelphia: University of Pennsylvania Museum of Archaeology and Anthropology, 2006. See: p. 210, no. 104
Matthews, Kenneth D. "The Imperial Wardrobe of Ancient Rome." Expedition: The Magazine of the University of Pennsylvania Museum of Archaeology and Anthropology 12, no. 3. (1970): 2-13. See: p. 5