Columbia subject headings:
Civilization, Modern--20th century--Pictorial works.
History, Modern--20th century--Pictorial works.
Photojournalism.
Harvard subject headings:
Civilization, Modern--20th century--Pictorial works.
History, Modern--20th century--Pictorial works
Photojournalism.
Princeton subject headings:
Civilization, Modern--20th century--Pictorial works.
History, Modern--20th century--Pictorial works.
Photojournalism.