John R. Clarke, "The Decor of the House of Jupiter and Ganymede at Ostia Antica," in Roman Art in the Private Sphere: New Perspectives on the Architecture and Decor of the Domus, Villa, and Insula (University of Michigan Press, 1991, 1994), p. 92; John R. Clarke, The Houses of Roman Italy, 100 B.C.–A.D. 250: Ritual, Space, and Decoration (University of California Press, 1991), p. 322.
