The children of U.S. cabinet members at Easter, April 1922. Photo from the National Photo Company collection. View full size.

Two children talk to a blacksmith standing in the doorway of his forge. Photograph by Frances S. Allen, c. 1900. View full size.

Bill Snyder and Hattie at the Central Park elephant house in 1922. View full size. 5x7 glass negative, George Grantham Bain Collection.

December 5, 1923. Probably Washington, D.C. View full size. 4x5 glass negative, National Photo Company Collection, Library of Congress.

August 1938. "Itinerant photographer in Columbus, Ohio." View full size. 35mm nitrate negative. Photograph by Ben Shahn, Farm Security Administration.

August 1912. Another picture of little Annie Fedele, 22 Horace Street, Somerville, Massachusetts, doing piecework, which usually entailed putting the finishing touches (buttons, or collar and waistband trim) on a mostly completed article of clothing. The garment manufacturers paid a few cents for each piece that was done. View full size. Photograph by Lewis Wickes Hine.

Spring 1865. Belle Isle railroad bridge from the south bank of the James River after the fall of Richmond. View full size. Glass plate negative from the Civil War collection compiled by Hirst D. Milhollen and Donald H. Mugridge.

August 1912. Tenement home work (piecework for garment makers). "Annie Fedele, 22 Horace Street, Somerville, Massachusetts. This is one of the places she works on crochet." View full size. Photo and caption by Lewis Wickes Hine.

August 1912. Somerville, Massachusetts. "Annie Fedele, 22 Horace Street. Doing crochet on underwear in dirty kitchen. Said she often works here and eats out in the back yard. The people are supposed to do the work only under certain restrictions, but when the inspector and the one who delivers the goods are not around, they do as they please. A good illustration of the difficulty in trying to regulate Home Work." View full size. Photo and caption by Lewis Wickes Hine.

January 1912. "Veronica Mikula, says 12 years old, 93 N. Front Street. Steven Mikula (works in mill) says 15 years. Photo taken in spare unused room too cold to warm. They crowd together in kitchen. New Bedford, Massachusetts." View full size. Photograph and caption by Lewis Wickes Hine.

January 1911. Boys working in the #9 breaker of the Pennsylvania Coal Co. mine at Hughestown Borough near Pittston, Pennsylvania. In this group are Sam Belloma of Pine Street and Angelo Ross of 142 Panama Street. View full size.

January 1911. Breaker boys in #9 Breaker, Pennsylvania Coal Company mine at Hughestown Borough near Pittston. Smallest boy is Angelo Ross, 142 Panama Street, Hughestown Borough. View full size. Photograph by Lewis Wickes Hine.

January 1911. "First Aid to the Injured" man with Draeger Oxygen Helmet. Avondale Shaft, D.L. & W. [Delaware, Lackawanna & Western Railroad] Colliery near Nanticoke, Pennsylvania. View full size. Photo by Lewis Wickes Hine.

January 1911. Shaft #6, Pennsylvania Coal Co. mine at South Pittston. "At the close of the day. Waiting for the cage to go up. Small boy in front is Joe Pume, a Nipper, 163 Pine St." View full size. Photo and caption by Lewis Wickes Hine.

The dancer Loie Fuller in a 1902 portrait by Frederick Glasier. View full size.