ANCIENT COINAGES: GREECE: CORINTH & ATHENS
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Calciati, Romolo. PEGASI. Mortara, IT: Edizioni I.P., 1990.
Ravel, Oscar E. THE "COLTS" OF AMBRACIA. (Numismatic Notes and Monographs No. 37.) New York: American Numismatic Society, 1928.
Starr, Chester G. ATHENIAN COINAGE 480-449 BC. Oxford: Clarendon Press, 1970.
Thompson, Margaret. THE NEW STYLE SILVER COINAGE OF ATHENS. (Numismatic Studies No. 10.) New York: American Numismatic Society, 1961.