Thomas A. Carlson (ed.), "Erbil" in last modified January 14, 2014, http://syriaca.org/place/2300
    
        
            
                
                    Erbil
                    ʻArbel’
                    
          
                    http://syriaca.org/place/2300
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        127, 166, 167, 172, 184, 191, 194, 342, 345, 346, 347, 348, 349, 352, 355