18., Blaselgasse 23 (Hauptsitz)
Portois & Fix# 78ea74b51a380ce4452452d7d9d8f6dc
WGW RDF resource: http://www.geschichtewiki.wien.gv.at/Special:URIResolver/Portois_-26_Fix-23_78ea74b51a380ce4452452d7d9d8f6dc