Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Isḥāq ibn Ibrāhīm — إسحاق بن إبراهيم " 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/1259
   
      
         
            
               Isḥāq ibn Ibrāhīm
               إسحاق بن إبراهيم
               Isḥāq ibn Ibrāhīm, secretary to Ibn Ṭūlūn
               https://usaybia.net/person/1259
               
                  secretary
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  14.4.1