Thomas A. Carlson (ed.), "Dūre" in last modified January 14, 2014, http://syriaca.org/place/1190
    
        
            
                
                    Dūre
                    
                    
                        Berwārī region
                    
          
                    http://syriaca.org/place/1190
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        138, 149, 150, 151, 364, 366