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5C. H. Papageorgiadou-Banis & K. A. Sheedy, Numismatic Archaeology, Archaeological Numismatics, Oxford: Oxbow Books, 1997, pl. 18.
6J. H. KroU & N. Waggoner, "Dating the Earliest Coinage of Athens, Corinth, and Aegina", American Journal of Archaeology, Vol. 88, No.3, 1984, pp. 325-340.
7J. H. KroU, "From Wappenmtinzen to Gorgoneia to Owls" , American Numismatic Society Museum Notes, 26 (1981), pp. 1-32.
