Thomas A. Carlson (ed.), "Supūrghān" in last modified January 14, 2014, http://syriaca.org/place/2380
    
        
            
                
                    Supūrghān
                    ʻEspurgan’
                    
          
                    http://syriaca.org/place/2380
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        36, 277, 312, 314, 319, 324, 325, 349, 365, 366, 368