Columbia subject headings:
Architecture--Germany--Düsseldorf.
Düsseldorf (Germany)--Buildings, structures, etc.
Harvard subject headings:
Architectural photography.
Architecture--Germany--Düsseldorf.
Düsseldorf (Germany)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Domestic--Germany (West)--Düsseldorf.
Düsseldorf (Germany)--Buildings, structures, etc.