Thomas A. Carlson (ed.), "Karh Guddān" in last modified June 30, 2014, http://syriaca.org/place/832
    
        
            
                
                    Karh Guddān
                    كرخ جُدّان
                    
                        Attestation of name كرخ جُدّان in the Muʿjam al-buldān of Yāqūt al-Ḥamawī.
                        
                    
                    
                    http://syriaca.org/place/832
                    
                        
              David Wilmshurst
            
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        177
                        
                    
                    
                        Muʿjam al-buldān
                        
              Yāqūt al-Ḥamawī
            
                        
                        IV:509