| Lewis W. Hine A sweeper in the Hill Mfg. Co., Lewiston, Me. I saw him working inside. [National Child Labor Committee (U.S.)] 1909, 23 April, 6 P.M. Photographic print Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-nclc-01697 (color digital file from b&w original print) LC-USZ62-127562 (b&w film copy negative) LL/39689
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