Thomas A. Carlson (ed.), "Karkhāyā" in last modified August 9, 2017, http://syriaca.org/place/2966
   
      
         
            
               Karkhāyā
               كرخايا
               A canal in Baghdad
               
               
                  Attestation of name كرخايا in the 
                        Kitāb al-buldān of Aḥmad ibn Abī Yaʿqūb al-Yaʿqūbī.
                  
               
          
               http://syriaca.org/place/2966
               
                  Kitāb al-buldān
                  Aḥmad ibn Abī Yaʿqūb al-Yaʿqūbī
                  
                  238