Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Ibrāhīm ibn al-ʿAbbās ibn Ṭūmār al-Hāshimī — إبراهيم بن العباس بن طومار الهاشمي " 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/1179
   
      
         
            
               Ibrāhīm ibn al-ʿAbbās ibn Ṭūmār al-Hāshimī
               إبراهيم بن العباس بن طومار الهاشمي
               Ibrāhīm ibn al-ʿAbbās ibn Ṭūmār al-Hāshimī, a source used by ⅠＡＵ
               https://usaybia.net/person/1179
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  8.32.2
                  8.32.3