Columbia subject headings:
Documentary photography--United States--History--20th century.
United States--History--1933-1945--Pictorial works.
United States--Social conditions--1933-1945--Pictorial works.
Harvard subject headings:
Documentary photography--United States--History--20th century
United States--History--1933-1945--Pictorial works.
United States--Social conditions--1933-1945--Pictorial works.
Princeton subject headings:
Documentary photography--United States--History--20th century.
Facsimiles.
United States--History--1933-1945--Pictorial works.
United States--Social conditions--1933-1945--Pictorial works.