Boersema, Gert. 2022. “Roman Lead ‘Iao Abrasax’ Amulets: Magical Pendants, Rings, and Beads”. KOINON: The International Journal of Classical Numismatic Studies 5 (November):84-129. https://archaeopresspublishing.com/ojs/index.php/koinon/article/view/1658.