For the Clusium Group, cf. J. D. Beazley, Etruscan Vase Painting, Oxford, 1947, pp. 119-120; and for similar in the Ashmolean Museum and British Museum, cf. A. C. Brown, Ancient Italy Before the Romans, Oxford, 1980, p. 71, pl. XXXVa (1951.390) and E. Macnamara, The Etruscans, London, 1990, p. 46, pl. 52e (GR 1865.1-3.20).