Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "al-ʿAbbās ibn ʿAlī ibn al-Mahdī (Abū Quraysh) — العباس بن علي بن المهدي أبو قريش " 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/4
   
      
         
            
               al-ʿAbbās ibn ʿAlī ibn al-Mahdī (Abū Quraysh)
               العباس بن علي بن المهدي أبو قريش
               al-ʿAbbās ibn ʿAlī ibn al-Mahdī (Abū Quraysh), grandson of al-Mahdī, nephew of Mūsā al-Hādī and Hārūn al-Rashīd
               https://usaybia.net/person/4
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  8.8.2