Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Yāsīn al-Sīmiyāʾī — ياسين السيميائي " 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/2315
   
      
         
            
               Yāsīn al-Sīmiyāʾī
               ياسين السيميائي
               Yāsīn al-Sīmiyāʾī, magician Yāsir, servant of al-Maʾmūn Yazīd ibn Khālid ibn Rūmān, son of Ibn Rūmān
               https://usaybia.net/person/2315
               
                  servant
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  13.14