Columbia subject headings:
Harvard subject headings:
Architecture, Modern--Germany--Potsdam.
Architecture--Germany--Potsdam.
Historic buildings--Germany--Potsdam.
Potsdam (Germany)--Buildings, structures, etc.
Potsdam (Germany)--History.
Princeton subject headings:
Architecture--Germany--Potsdam.
Monuments--Germany--Potsdam.
Potsdam (Germany)--Buildings, structures, etc.