Dandrow, Edward. “An Unpublished ‘Medallion’ of Elagabalus from Edessa in Osrhoene: Nergal and Syro-Mesopotamian Religious Continuity?”. KOINON: The International Journal of Classical Numismatic Studies 4 (December 31, 2021): 106–127. Accessed June 7, 2023. https://archaeopresspublishing.com/ojs/index.php/koinon/article/view/1113.