Thomas A. Carlson (ed.), "Beth Dasen" in last modified January 14, 2014, http://syriaca.org/place/738
    
        
            
                
                    Beth Dasen
                    Dāsen
                    
          
                    http://syriaca.org/place/738
                    http://en.wikipedia.org/wiki/Adiabene_(East_Syrian_Ecclesiastical_Province)#The_diocese_of_Beth_Dasen
                    
                        The Gorgias Encyclopedic Dictionary of the Syriac Heritage
                        
                        186
                    
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        128, 241, 277, 287, 357