al-Islām wa-al-Nūbah fī al-ʻuṣūr al-wusṭá : baḥth fī tārīkh al-Sūdān wa-ḥaḍāratih ḥattá awāʼil al-qarn al-sādis ʻashar al-mīlādī - Musʿad, Muṣṭafā Muḥammad, (Dirāsāt fī tārīkh al-Sūdān fī al-ʻuṣūr al-wusṭá ;)