Columbia subject headings:
Documentary photography.
Droughts--Great Plains--Pictorial works.
Great Plains--Pictorial works.
United States. Farm Security Administration.
Harvard subject headings:
Documentary photography
Documentary photography--Great Plains.
Droughts--Great Plains--Pictorial works.
Dust Bowl Era, 1931-1939--Pictorial works.
Great Plains--Pictorial works.
United States. Farm Security Administration.
Princeton subject headings:
Documentary photography.
Droughts--Great Plains--Pictorial works.
Great Plains--Pictorial works.
United States. Farm Security Administration