Thomas A. Carlson (ed.), "Wasṭan" in last modified January 14, 2014, http://syriaca.org/place/2411
    
        
            
                
                    Wasṭan
                    Wasṭān
                    ʻVasthan’
                    
          
                    http://syriaca.org/place/2411
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        312, 349