Columbia subject headings:
Photography, Artistic--Exhibitions.
United States--Rural conditions--Pictorial works.
Harvard subject headings:
Depressions--1929--United States--Pictorial works--Exhibitions.
Documentary photography--Exhibitions
Documentary photography--United States--History--20th century--Exhibitions.
Photography, Artistic--Exhibitions
United States--Rural conditions--20th century--Pictorial works--Exhibitions.
United States--Social conditions--1933-1945--Pictorial works--Exhibitions.
United States--Social life and customs--1918-1945--Pictorial works--Exhibitions.
United States. Farm Security Administration.
Princeton subject headings: