Columbia subject headings:
Architectural photography.
Architecture--Germany--Berlin.
Architecture--Germany--Potsdam.
Harvard subject headings:
Architecture--Germany--Berlin--Pictorial works.
Architecture--Germany--Potsdam--Pictorial works.
Berlin (Germany)--Pictorial works
Berlinische Galerie.
Photography--Germany--Berlin.
Potsdam (Germany)--Pictorial works.
Princeton subject headings:
Berlin (Germany)--Pictorial works.
Potsdam (Germany)--Pictorial works.