Amitai-Preiss, N. (1997) «An Umayyad lead seal with the name of the caliph Marwān b. Muḥamma», Al-Qanṭara, 18(1), p. 233. Disponible en: https://al-qantara.revistas.csic.es/index.php/al-qantara/article/view/523 (Accedido: 22julio2024).