Thomas A. Carlson (ed.), "Mar Zakka" in last modified January 14, 2014, http://syriaca.org/place/2132
    
        
            
                
                    Mar Zakka
                    Mār Zakkā
                    
                    
                        Māṯā d'Mār Zayʿā
                        Jīlū district
                        Hakkārī region
                    
          
                    http://syriaca.org/place/2132
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        301, 353