Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Sharaf al-Dīn Ismāʿīl Sharaf al-Dīn Ismāʿīl ibn ʿAbd Allāh ibn ʿUmar — شرف الدين إسماعيل شرف الدين إسماعيل بن عبد الله بن عمر " 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/2065
   
      
         
            
               Sharaf al-Dīn Ismāʿīl Sharaf al-Dīn Ismāʿīl ibn ʿAbd Allāh ibn ʿUmar
               شرف الدين إسماعيل شرف الدين إسماعيل بن عبد الله بن عمر
               Sharaf al-Dīn Ismāʿīl Sharaf al-Dīn Ismāʿīl ibn ʿAbd Allāh ibn ʿUmar, 7th/13th-c. `kātib` and poet
               https://usaybia.net/person/2065
               
                  poet
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  15.49.6.2