September 1911. Cranberry pickers at Smart's Bog near South Carver, Mass. "Annette Roy, the youngest worker. Said 7 years old. Picked last year. Lives at 171 Orange Street, Fall River. Also Napoleon Ruel, 53 Hopkins Street. Said 9 years old." View full size. Photo and caption by Lewis Wickes Hine.

Statue of Liberty circa 1908. Top of the head as seen from the torch. View full size. 5x7 glass negative, George Grantham Bain Collection.

The New York of 1908 as seen from the 33rd floor of the Metropolitan Life building. View full size. 5x7 glass negative, George Grantham Bain Collection.

October 1911. Lowell, Massachusetts. "Joseph Philip, 5 Wall Street, pin boy in Les Miserables Bowling Alley, said 11 years old and worked until midnight every night. Said he made $2.25 last week and $1.76 the week before." View full size. Photograph and caption by Lewis Wickes Hine.

March 1943. Washing one of the Santa Fe R.R. 5,400-horsepower diesel freight locomotives in the roundhouse at Argentine, Kansas. View full size. 4x5 Kodachrome transparency by Jack Delano.

Sept. 24, 1923. Watching the planes at the Bolling Field Air Circus in Washington, D.C. National Photo Company collection, View full size.

Kenneth Hall, a Tennessee Valley Authority worker, eating lunch. Photograph by Arthur Rothstein, June 1942. View full size.