[[4]]., [[Operngasse]] [[Adresse:Operngasse 20A|20A]]
Operngasse 18-20# c70a775dae973198e9f166578218d061
WGW RDF resource: http://www.geschichtewiki.wien.gv.at/Special:URIResolver/Operngasse_18-2D20-23_c70a775dae973198e9f166578218d061