Amoros, Dracmes, pp. 27-32, Beltran y Villagrasa, Ampurias 1945-6, pp. 304-8, Crawford, RRCH 180, Pujol y Camps, Revista de Ciencias Historicas 3 (1881), pp. 142-62 (873 specimens studied), Zobel y Zangroniz, MonatsbBerlin 1881, p. 809, de Guadan, Numisma 16 (1955), pp. 15-6; MPER, pp. 103-9