Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "al-Faḍl ibn Sahl — الفضل بن سهل " 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/758
   
      
         
            
               al-Faḍl ibn Sahl
               الفضل بن سهل
               al-Faḍl ibn Sahl, vizier under the caliph al-Maʿmūn
               https://usaybia.net/person/758
               
                  vizier
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  8.20.7n