Thomas A. Carlson (ed.), "Arenā" in last modified January 14, 2014, http://syriaca.org/place/909
    
        
            
                
                    Arenā
                    
                    
                        Zibār district
                        ʿAqrā region
                    
          
                    http://syriaca.org/place/909
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        121, 126, 154, 158, 163-164, 263, 264, 272