Columbia subject headings:
Harvard subject headings:
Child labor--New England--History--20th century--Pictorial works.
Child labor--New England--History--20th century.
Children--New England--Social conditions--20th century.
Documentary photography--United States
Hine, Lewis Wickes, 1874-1940.
Princeton subject headings:
Child labor--New England--History--20th century--Pictorial works.
Child labor--New England--History--20th century.
Children--New England--Social conditions--20th century.
Documentary photography--United States.
Hine, Lewis Wickes, 1874-1940.