Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "al-Maʾmūn, Yaḥyā ibn Ismāʿīl ibn Dhī l-Nūn — المأمون يحيى بن إسماعيل بن ذي النون " 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/1498
   
      
         
            
               al-Maʾmūn, Yaḥyā ibn Ismāʿīl ibn Dhī l-Nūn
               المأمون يحيى بن إسماعيل بن ذي النون
               al-Maʾmūn, Yaḥyā ibn Ismāʿīl ibn Dhī l-Nūn, king of the `ṭāʾifah` of Toledo (`reg.` 435– 467/1043–1074)
               https://usaybia.net/person/1498
               
                  king
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  13.38.2
                  13.39.2
                  13.45