1. H. Pruckner, Die Lokrischen Tonreliefs. Mainz, 1968.
2. Ernest Nasch, article in Romische Mitteilungen, no.66, 1959.
3 Y. Maniatis, N. Herz, Y Basiakos. The Study of Marble and Other Stones Used in Antiquity. article by Newmann and Herrmann, "Further research on the Boston three-sided relief." Archetype, 1995.
Also: A very large Bibiography on p. 24/25 of Sculpture in Stone, the Greek, Roman and Etruscan Collection of the M.F.A. Boston. Comstock and Vermeule, M.F.A. 1976. Most Articles and Books were unavailable.