De Callataÿ, François. “David MacDonald As a Pioneering Figure in the Study of Overstruck Coins in the Greek World”. KOINON: The International Journal of Classical Numismatic Studies 8 (December 17, 2025): xxiii-xxvii. Accessed April 3, 2026. https://archaeopresspublishing.com/ojs/index.php/koinon/article/view/3332.