Caza, Shawn. “Some Further Ideas on a Double-Obverse Bronze of the Constantinian Period from the Antioch Excavations”. KOINON: The International Journal of Classical Numismatic Studies 2 (January 1, 2019): 111–113. Accessed February 1, 2026. https://archaeopresspublishing.com/ojs/index.php/koinon/article/view/1147.