Hine, Lewis Wickes Men at work : Photographic studies of modern men and machines / By Lewis W. Hine - 1a ed. - New York : Dover Publications, 1977 - s. p. : il. ; 28 cm. ISBN: 0486234754 Subjects--Topical Terms: Fotografía --Estados Unidos--Obrero LC Class. No.: TR653 / H56 1977