Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Yūsuf known as al-Sāhir — الساهر " 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/2332
   
      
         
            
               Yūsuf known as al-Sāhir
               al-Sāhir
               الساهر
               يوسف (الساهر)
               Yūsuf known as al-Sāhir, physician in the time of the caliph al-Muktafī
               https://usaybia.net/person/2332
               https://onomasticon.irht.cnrs.fr/en/entry/id/4140
               
                  physician
               
               
                  caliph
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  8.39