[[19]]., [[Adresse:Hardtgasse 21|Hardtgasse 21]] (Wohnadresse)
Frederick William Sternfeld# 6d500bc87649a12bc4e8f17aaf03a292
WGW RDF resource: http://www.geschichtewiki.wien.gv.at/Special:URIResolver/Frederick_William_Sternfeld-23_6d500bc87649a12bc4e8f17aaf03a292