Thomas A. Carlson (ed.), "Cairo" in last modified January 14, 2014, http://syriaca.org/place/2284
    
        
            
                
                    Cairo
                    Cairo (patriarchal vicariate)
                    
          
                    http://syriaca.org/place/2284
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        64-65, 317, 361, 363, 364