Columbia subject headings:
Harvard subject headings:
Hamburg (Germany)--History--20th century--Pictorial works.
Hamburg (Germany)--History--Bombardment, 1940-1945--Pictorial works.
Photograph collections--Germany--Hamburg.
World War, 1939-1945--Germany--Hamburg--Pictorial works.
Princeton subject headings:
Hamburg (Germany)--History--20th century--Pictorial works.
Hamburg (Germany)--History--Bombardment, 1940-1945--Pictorial works.
Photography, Artistic--20th century.