Thomas A. Carlson (ed.), "Pīrōz" in last modified January 14, 2014, http://syriaca.org/place/1601
    
        
            
                
                    Pīrōz
                    
                    
                        Bohtān district
                        Seert region
                    
          
                    http://syriaca.org/place/1601
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        89, 90, 96, 99