Thomas A. Carlson (ed.), "Ḥarran" in last modified August 9, 2017, http://syriaca.org/place/2960
   
      
         
            
               Ḥarran
               حران
               The area around the city of Ḥarran
               
               
                  Attestation of name حران in the 
                        Kitāb al-aʿlāq al-nafīsa of Aḥmad ibn ʿUmar Ibn Rustah.
                  
               
          
                  
                  
               
               http://syriaca.org/place/2960
               
                  Kitāb al-aʿlāq al-nafīsa
                  Aḥmad ibn ʿUmar Ibn Rustah
                  
                  90