[[1]]., [[Adresse:Parkring 18|Parkring 18]]
Palais des Freiherrn von Helfert# bed22c692cdf28d079d6cf97e42ca6a2
WGW RDF resource: http://www.geschichtewiki.wien.gv.at/Special:URIResolver/Palais_des_Freiherrn_von_Helfert-23_bed22c692cdf28d079d6cf97e42ca6a2