Thomas A. Carlson (ed.), "Khardes" in last modified January 14, 2014, http://syriaca.org/place/1382
    
        
            
                
                    Khardes
                    Ḥardes
                    
                    
                        Sapsāpā district
                        ʿAqrā region
                    
          
                    http://syriaca.org/place/1382
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        101, 154, 156, 157, 158, 159-160, 163, 165, 248