Columbia subject headings:
Documentary photography--United States--Exhibitions.
Hine, Lewis Wickes, 1874-1940--Exhibitions.
Harvard subject headings:
Documentary photography--United States--Exhibitions.
Hine, Lewis Wickes, 1874-1940--Exhibitions.
Princeton subject headings:
Documentary photography--United States--Exhibitions.
Hine, Lewis Wickes, 1874-1940--Exhibitions.