Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Abū Isḥāq Ibrāhīm ibn Zahrūn al-Ḥarrānī — أبو إسحاق إبراهيم بن زهرون الحراني " 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/235 Abū Isḥāq Ibrāhīm ibn Zahrūn al-Ḥarrānī Ibrāhīm ibn Zahrūn al-Ḥarrānī أبو إسحاق إبراهيم بن زهرون الحراني أبو إسحاق إبراهيم بن زهرون الحرّاني Abū Isḥāq Ibrāhīm ibn Zahrūn al-Ḥarrānī, (d. 309/921) https://usaybia.net/person/235 https://onomasticon.irht.cnrs.fr/en/entry/id/4189 A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah 10.7