Columbia subject headings:
Harvard subject headings:
Architecture, Modern--Germany--Berlin.
Architecture--Germany--Berlin
Berlin (Germany)--Buildings, structures, etc.
Berlin (Germany)--History
City planning--Germany--Berlin
Platz der Akademie (Berlin, Germany)
Plazas--Germany--Berlin.
Princeton subject headings:
Architecture--Germany--Berlin.
Berlin (Germany)--Buildings, structures, etc.
City planning--Germany--Berlin.
Plazas--Germany--Berlin.