Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Saʿīd ibn Tawfīl, Abū ʿUthmān — سعيد بن توفيل " 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/1975
   
      
         
            
               Saʿīd ibn Tawfīl, Abū ʿUthmān
               Saʿīd ibn Tawfīl
               سعيد بن توفيل
               سعيد بن توفيل أبو عثمان
               Saʿīd ibn Tawfīl, Abū ʿUthmān, Christian physician in the service of Aḥmad ibn Ṭūlūn
               https://usaybia.net/person/1975
               https://ar.wikipedia.org/wiki/%D8%B3%D8%B9%D9%8A%D8%AF_%D8%A8%D9%86_%D8%AA%D9%88%D9%81%D9%8A%D9%84
               
                  physician
               
               
                  Christian
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  14.4
                  14.3
                  13.1.3 no. 4