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. 206, no. 103
Vermeule, Cornelius C. Greek and Roman Sculpture in America: Masterpieces in public collections in the U.S and Canada. Malibu: J. Paul Getty Museum, 1981. See: p. 288, fig. 245
Vermeule, Cornelius C. "Greek and Roman Portraits in North American Collections Open to the Public.." Proceedings of the American Philosophical Society 108, no. 2. (1964): 99-134. See: p. 110, fig. 14