[[9]]., [[Adresse:Thurngasse 2|Thurngasse 2]] (Wirkungsadresse)
Karl R. Popper# c16f804c91c0c446684a618852bc6ffa
WGW RDF resource: http://www.geschichtewiki.wien.gv.at/Special:URIResolver/Karl_R._Popper-23_c16f804c91c0c446684a618852bc6ffa