Thomas A. Carlson (ed.), "Dasen" in last modified January 14, 2014, http://syriaca.org/place/2299
    
        
            
                
                    Dasen
                    Dāsen (and Beṯ Ṭūre)
                    
          
                    http://syriaca.org/place/2299
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        125, 128, 132, 148, 150, 166, 277, 278