Columbia subject headings:
Harvard subject headings:
Berlin (Germany)--History--1945-1990--Pictorial works.
Germany (East)--History--Pictorial works.
Germany (East)--Pictorial works.
Princeton subject headings:
Berlin (Germany)--History--1945-1990--Pictorial works.
Germany (East)--History--Pictorial works.
Germany (East)--Pictorial works.