Al-Mahdi Muhammad bin Abdullah, the third of the Abbasid caliphs. Journal of Studies in History and Archeology, [S. l.], n. 88, p. 135–186, 2023. Disponível em: https://jcoart.uobaghdad.edu.iq/index.php/2075-3047/article/view/733.. Acesso em: 20 may. 2024.