Thomas A. Carlson (ed.), "Tehran" in last modified January 14, 2014, http://syriaca.org/place/2387
    
        
            
                
                    Tehran
                    Teheran (patriarchal vicariate)
                    
          
                    http://syriaca.org/place/2387
                    
                        David Wilmshurst
                        The Ecclesiastical Organisation of the Church of the East, 1318-1913
                        361, 363, 364