Illustrated: Power Makers: Work Portraits by Lewis W. Hine. The Survey Graphic, December 31, 1921, Volume XLVII, No. 14, p. 511. A Camera Interpretation of Labor. The Mentor, September 1926, Vol. 14, No. 8, p. 46. Gutman, Judith. Lewis W. Hine (1874-1940), Two Perspectives. Grossman Publishers, 1974, p. 32. Kaplan, Daile. Photo Story, Selected Letters and Photographs of Lewis W. Hine. Smithsonian Institution Press, 1992, cover and unpaginated. Sampsell-Willmann, Kate. Lewis Hine as Social Critic. University Press of Mississippi, 2009, cover. Steinorth, Karl ed. Lewis Hine: Passionate Journey, Photographs 1905-1937. Edition Stemmle, 1996, cover and p. 159.