Columbia subject headings:
Harvard subject headings:
Germany--History--Revolution, 1918--Exhibitions.
Photojournalism--Germany--History--Exhibitions.
Princeton subject headings:
Berlin (Germany)--History--Exhibitions.
Berlin (Germany)--History--Pictorial works--Exhibitions.
Photography--Germany--Berlin--History--20th century--Exhibitions.
Revolutions--Germany--Berlin--History--20th century--Exhibitions.