Thomas A. Carlson (ed.), "Mar Petion" in last modified January 14, 2014, http://syriaca.org/place/2030
    
        
            
                
                    Mar Petion
                    Mār Petiōn
                    
                    
                        Mazrāʿā
                        Tḥūmā district
                        Hakkārī region
                    
          
                    http://syriaca.org/place/2030
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        286, 297, 298, 353, 354