Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "al-ʿAbbāsah bint al-Mahdī ibn Abī Jaʿfar al-Manṣūr — العباسة بنت المهدي بن أبي جعفر المنصور " 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/7
   
      
         
            
               al-ʿAbbāsah bint al-Mahdī ibn Abī Jaʿfar al-Manṣūr
               العباسة بنت المهدي بن أبي جعفر المنصور
               al-ʿAbbāsah bint al-Mahdī ibn Abī Jaʿfar al-Manṣūr, 2nd/8th-c. daughter of al-Mahdī, sister of Hārūn al-Rashīd, wife of Khālid ibn Barmak and Ibrāhīm ibn Ṣāliḥ ibn ʿAlī
               https://usaybia.net/person/7
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  8.3.22
                  12.6