[[4]]., [[Operngasse]] [[Adresse:Operngasse 23-25|23-25]]
Operngasse 23-25# 7ae2b97f34461d4ca84924cd3709ea54
WGW RDF resource: http://www.geschichtewiki.wien.gv.at/Special:URIResolver/Operngasse_23-2D25-23_7ae2b97f34461d4ca84924cd3709ea54