Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Isḥāq ibn Ibrāhīm ibn Muḥammad ibn Ismāʿīl — إسحاق بن إبراهيم بن محمد بن إسماعيل " 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/1261 Isḥāq ibn Ibrāhīm ibn Muḥammad ibn Ismāʿīl إسحاق بن إبراهيم بن محمد بن إسماعيل Isḥāq ibn Ibrāhīm ibn Muḥammad ibn Ismāʿīl, known as Bayḍ al-baghl, associate of Yūsuf ibn Ibrāhīm (Ibn al-Dāyah) https://usaybia.net/person/1261 Muslim A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah 8.26.5