Al-Kindi 1912; Kennedy 1981. Kennedy، Hugh (1981). "Central Government and Provincial Élites in the Early 'Abbāsid caliphate". Bulletin of the School of Oriental and African Studies, University of London. ج. 44 ع. 1: 26–38. JSTOR:616294.
Al-Kindi 1912; Ibn Taghribirdi 1930 (noting only the appointment under Yazid); Kennedy 1981. Ibn Taghribirdi، Jamal al-Din Abu al-Mahasin Yusuf (1930). Nujum al-zahira fi muluk Misr wa'l-Qahira, Volume II. Cairo: Dar al-Kutub al-Misriyya. Kennedy، Hugh (1981). "Central Government and Provincial Élites in the Early 'Abbāsid caliphate". Bulletin of the School of Oriental and African Studies, University of London. ج. 44 ع. 1: 26–38. JSTOR:616294.
Al-Kindi 1912; Ibn Taghribirdi 1930. Abdallah's governorship is not noted by al-Tabari, who provides an alternative list of provincial rulers during his period; a possible explanation for this discrepancy is offered by Kennedy 1981. Ibn Taghribirdi، Jamal al-Din Abu al-Mahasin Yusuf (1930). Nujum al-zahira fi muluk Misr wa'l-Qahira, Volume II. Cairo: Dar al-Kutub al-Misriyya. Kennedy، Hugh (1981). "Central Government and Provincial Élites in the Early 'Abbāsid caliphate". Bulletin of the School of Oriental and African Studies, University of London. ج. 44 ع. 1: 26–38. JSTOR:616294.
Kennedy 1981. Kennedy، Hugh (1981). "Central Government and Provincial Élites in the Early 'Abbāsid caliphate". Bulletin of the School of Oriental and African Studies, University of London. ج. 44 ع. 1: 26–38. JSTOR:616294.