Columbia subject headings:
Architecture--Germany (East)
Architecture--Germany--Berlin.
Harvard subject headings:
Architecture--Germany--Berlin (East)--20th century--Pictorial works.
Berlin (Germany)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Germany--Berlin--19th century.
Architecture--Germany--Berlin--History--20th century.
Architecture--Germany--Berlin.
Berlin (Germany)
Germany--Pictorial works--Berlin.