Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "al-Malik al-Nāṣir Ṣalāḥ al-Dīn Abū l-Muẓaffar Yūsuf ibn Ayyūb — الملك الناصر صلاح الدين أبو المظفر يوسف بن أيوب " 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/1487
   
      
         
            
               al-Malik al-Nāṣir Ṣalāḥ al-Dīn Abū l-Muẓaffar Yūsuf ibn Ayyūb
               الملك الناصر صلاح الدين يوسف بن ايوب
               الملك الناصر صلاح الدين أبو المظفر يوسف بن أيوب
               al-Malik al-Nāṣir Ṣalāḥ al-Dīn Abū l-Muẓaffar Yūsuf ibn Ayyūb, Ayyubid ruler (d. 1260)
               https://usaybia.net/person/1487
               https://onomasticon.irht.cnrs.fr/en/entry/id/9176
               https://ar.wikipedia.org/wiki/%D8%B5%D9%84%D8%A7%D8%AD_%D8%A7%D9%84%D8%AF%D9%8A%D9%86_%D8%A7%D9%84%D8%A3%D9%8A%D9%88%D8%A8%D9%8A
               https://viaf.org/viaf/90040943
               https://dx.doi.org/10.1163/2214-871X_ei1_SIM_5097
               
                  ruler
               
               
                  Muslim
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  15.11.1
                  15.11.2
                  15.54(?)
               
               
                  عيون الأنباء في طبقات الأطباء