Cf. P. R. S. Moorey, Catalogue of the Ancient Persian Bronzes in the Ashmolean Museum, Oxford, 1971, p. 95, pl. 10, nos. 95 and 97 for similar to items one and two; and P. R. S. Moorey, Ancient Persian Bronzes in the Adam Collection, London, 1974, p. 48, no. 16 for similar to items three and four.