Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "al-Fāʾiz bi-Naṣr Allāh (Abū l-Qāsim ʿĪsā ibn al-Ẓāfir bi-Amr Allāh) — الفائز بنصر الله (أبو القاسم عيسى بن الظافر بأمر الله) " 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/760
   
      
         
            
               al-Fāʾiz bi-Naṣr Allāh (Abū l-Qāsim ʿĪsā ibn al-Ẓāfir bi-Amr Allāh)
               الفائز بنصر الله (أبو القاسم عيسى بن الظافر بأمر الله)
               al-Fāʾiz bi-Naṣr Allāh (Abū l-Qāsim ʿĪsā ibn al-Ẓāfir bi-Amr Allāh), ninth Fatimid caliph of Egypt
               https://usaybia.net/person/760
               
                  caliph
               
               
                  Muslim
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  14.31.6