Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "ʿAbd al-Raḥmān ibn Yaḥyā ibn Khāqān — عبد الرحمن بن يحيى بن خاقان " 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/44
   
      
         
            
               ʿAbd al-Raḥmān ibn Yaḥyā ibn Khāqān
               عبد الرحمن بن يحيى بن خاقان
               ʿAbd al-Raḥmān ibn Yaḥyā ibn Khāqān (d. 262/875–876), brother of the vizier ʿUbayd Allāh ibn Yaḥyā ibn Khāqān ＡⅠⅠ.
               https://usaybia.net/person/44
               
                  Muslim
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  2.3