A: Herakles, at left, in combat with two Amazons. Amazon in center, kneeling on right knee; Amazon at right, standing. B: Amazon in center attacked by warrior on each side. Manner of the Lysippides Painter.
The Perseus Project. http://www.perseus.tufts.edu/hopper/artifactBrowser?object=Vase&field=Collection&value=University+Museum%2C+University+of+Pennsylvania.
White, Donald J., Keith R. DeVries, David G. Romano, Irene B. Romano, and Yelena Stolyarik. The Ancient Greek World:The Rodney S. Young Gallery. Philadelphia: University of Pennsylvania Museum of Archaeology and Anthropology, 1995. See: p. 13
Beazley, John D. Paralipomena: Additions to Attic Black-Figure Vase-Painters and Attic Red-Figure Vase-Painters (Second Edition). Oxford: Clarendon Press, 1971. See: p. 115, no 24bis
Antiquités égyptiennes, grecques et romaines..provenant de l'ancienne collection Borelli Bey. 11-13 juin 1913. Hôtel Drouot.. Paris: 1913. See: p. 24, lot 221, pl. 19
von Duhn, Friedrich C. "La Necropoli di Suessula." Mitteilungen des deutschen archäologischen Instituts. Römische Abteilung. 2. (1887): 235-275. See: p. 260, no. 4