Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Asad al-Dīn — أسد الدين " 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/571 Asad al-Dīn أسد الدين Asad al-Dīn, known as Shīrkūh, one of the last viziers of Fatimid Egypt (d. 564/1169) https://usaybia.net/person/571 vizier A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah 14.36.2