Thomas A. Carlson (ed.), "Deh" in last modified May 10, 2014, http://syriaca.org/place/1153
    
        
            
                
                    Deh
                    Eruh
                    
                    
                        Ātel district
                        Seert region
                    
          
                    http://syriaca.org/place/1153
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        91, 92, 98