Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Kayqubādh ibn Kaykhusraw ibn Qilij Arslān — كيقباذ بن كيخسرو بن قلج أرسلان " 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/1370
   
      
         
            
               Kayqubādh ibn Kaykhusraw ibn Qilij Arslān
               كيقباذ بن كيخسرو بن قلج أرسلان
               Kayqubādh ibn Kaykhusraw ibn Qilij Arslān, ruler of Erzerum in Anatolia (reg. 588– 593/1192–1197)
               https://usaybia.net/person/1370
               
                  ruler
               
               
                  Muslim
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  15.40.5