Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Pherecydes of Syrus — فيثاغورس " 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/1817
   
      
         
            
               Pherecydes of Syrus
               فيثاغورس
               Pherecydes of Syrus, early cosmologist, teacher of Pythagoras
               https://usaybia.net/person/1817
               
                  teacher
               
               
                  A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah
                  
                  4.3.4.1
                  4.3.4.2
                  4.3.6.2n