[[4]]., [[Operngasse]] [[Adresse:Operngasse 18-20|18-20]] (Wohnadresse)
Ignaz Franz Castelli# 11f201a20d358d5d78292cc37c8cfc3c
WGW RDF resource: http://www.geschichtewiki.wien.gv.at/Special:URIResolver/Ignaz_Franz_Castelli-23_11f201a20d358d5d78292cc37c8cfc3c