المساهمون: Consumers' League of New York City., National Child Labor Committee (U.S.), New York Child Labor Committee.

مصطلحات موضوعية: Child labor -- New York (State) -- New York -- Pictorial works., Tenement houses -- New York (State) -- New York -- Pictorial works., Home labor -- New York (State) -- New York -- Pictorial works., Child labor -- Exhibitions.