Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Aḥmad ibn Ṭūlūn — أحمد بن طولون " in Communities of Knowledge: Interreligious Networks of Scholars in Ibn Abi Usaybiʿa’s History of the Physicians last modified June 23, 2021, https://usaybia.net/person/437 Aḥmad ibn Ṭūlūn أحمد بن طولون Aḥmad ibn Ṭūlūn, Turkish governor of Egypt, founder of the Ṭūlūnid dynasty (220/835– 270/884) https://usaybia.net/person/437 governor Muslim A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah 14.54.4n