Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "al-Malik al-ʿAzīz Uthmān — الملك العزيز عثمان " 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/1464
   
      
         
            
               al-Malik al-ʿAzīz Uthmān
               الملك العزيز عثمان بن عبذد الملك الناصر صلاح الدين
               الملك العزيز عثمان
               al-Malik al-ʿAzīz Uthmān, Ayyubid ruler of Egypt, son of Saladin
               https://usaybia.net/person/1464
               https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D8%B9%D8%B2%D9%8A%D8%B2_%D8%B9%D9%85%D8%A7%D8%AF_%D8%A7%D9%84%D8%AF%D9%8A%D9%86_%D8%B9%D8%AB%D9%85%D8%A7%D9%86
               
                  ruler
               
               
                  Muslim
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  14.37
                  14.44.2
                  15.22 no. 17
                  15.40.3
                  15.40.9 no. 23
                  15.51.1
               
               
                  عيون الأنباء في طبقات الأطباء