Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "ʿAbd Allāh al-Mahdī bi-Allāh — عبد الله المهدي بالله " 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/28
   
      
         
            
               ʿAbd Allāh al-Mahdī bi-Allāh
               عبد الله المهدي بالله
               ʿAbd Allāh al-Mahdī bi-Allāh, founder of the Fatimid caliphate
               https://usaybia.net/person/28
               
                  Muslim
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  13.2.1
                  13.2.2.1