Columbia subject headings:
Berlin (Germany)--Buildings, structures, etc.
Berlin (Germany)--History.
Historic buildings--Conservation and restoration--Germany--Berlin.
Monuments--Conservation and restoration--Germany--Berlin.
Siemensstadt (Berlin, Germany)--Buildings, structures, etc.
Siemensstadt (Berlin, Germany)--History.
Harvard subject headings:
Princeton subject headings:
Berlin (Germany)--Buildings, structures, etc.
Berlin (Germany)--History.
Historic buildings--Germany--Berlin--Conservation and restoration.
Monuments--Germany--Berlin--Conservation and restoration.
Siemensstadt (Berlin, Germany)--Buildings, structures, etc.
Siemensstadt (Berlin, Germany)--History.