Hackens, Antidorum W. Peremans, pp. 72-3 (the reference to ESM p. 76 should read Antiochus I not Seleucus II), Newell, Demetrius, p. 165, Noe, ANSMN 10 (1962), pp. 32-3, Svoronos, JIAN 1909-10, pp. 63-8; Athènes, pl. 29, Wace, BSA 1907-8, pp. 149-58, illus.
Hackens, Antidorum W. Peremans, pp. 75-6, Noe, Sicyon, p. 36, Troxell, ANSMN 17 (1971), pp. 53-61, 86-8, illus., Vaux, NC 1854, pp. 31-7 (quoting a letter from C. T. Newton)
Greenwell, NC 1880, pp. 6-7, illus. (1), Hoffman, Le numismate no. 13 (May 1, 1863), p. 115, illus., Prokesch-Osten, RN 1860, p. 268, de Witte, RN 1864, pp. 90-2, illus.