Thomas A. Carlson (ed.), "Ḥulwān" in last modified January 14, 2014, http://syriaca.org/place/220
    
        
            
                
                    Ḥulwān
                    A settlement in Iran.
                    
                        34.465 45.855
                    
          
                        
                        
                    
                    http://syriaca.org/place/220
                    http://pleiades.stoa.org/places/903043
                    http://en.wikipedia.org/wiki/Hulwan,_Iran
                    http://dbpedia.org/resource/Hulwan,_Iran
                    
                        The Gorgias Encyclopedic Dictionary of the Syriac Heritage
                        
                        57
                        Map II D2