Columbia subject headings:
Harvard subject headings:
Berlin (Germany)--Social conditions--20th century--Pictorial works.
Berlin (Germany)--Social conditions--20th century.
Germany (East)--Social conditions--Pictorial works.
Germany (East)--Social conditions.
Princeton subject headings:
Berlin (Germany)--Social conditions--20th century--Pictorial works.
Berlin (Germany)--Social conditions--20th century.
Fiction.
Germany (East)--Social conditions--Pictorial works.
Germany (East)--Social conditions.