Thomas A. Carlson (ed.), "Atel" in last modified January 14, 2014, http://syriaca.org/place/2259
    
        
            
                
                    Atel
                    Ātel
                    Bohtān
                    Bokhtāye
                    
          
                    http://syriaca.org/place/2259
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        56, 70, 82, 85-86, 88, 91, 92, 96, 113, 346, 350, 351, 352