7Andrew tkamage and Paul Craddock: King Croesus' Gold: Excavations at Sardis and the History of GoldRefining. Archaeological Exploration of Sardis Harvard University Art Museums in association with British Museum Press, 2000.
8Julian Reade: A Hoard of Silver Currency from Achaemenid Babylon. Iran, Vol. 24, 1986, pp : 79-89.