Columbia subject headings:
Hine, Lewis Wickes, 1874-1940.
United States--Social conditions--Pictorial works.
Harvard subject headings:
Hine, Lewis Wickes, 1874-1940.
United States--Social conditions--Pictorial works.
Princeton subject headings:
Hine, Lewis Wickes, 1874-1940.
United States--Social conditions--Pictorial works.