Kraay, C. M. Archaic and Classical Greek Coins. (London, 1976).
Also see:Kraay BronzeKraay GalbaKraay HimeraKraay AthensKraay AmbraciaKraay and HirmerKraay PoseidoniaKraay-Mørkholm Essays
Also see:Kraay BronzeKraay CoinageKraay GalbaKraay HimeraKraay AthensKraay AmbraciaKraay and HirmerKraay PoseidoniaKraay-Mørkholm Essays