Thomas A. Carlson (ed.), "Ārgen" in last modified January 14, 2014, http://syriaca.org/place/912
    
        
            
                
                    Ārgen
                    
                    
                        Ṭalānā district
                        ʿAqrā region
                    
          
                    http://syriaca.org/place/912
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        154, 158, 161