Children get milk or tomato juice after their nap at the nursery school at Queensbridge housing project in Queens, New York. Photograph by Arthur Rothstein, June 1942. View full size.

Children wash before lunch at the nursery school at the Red Hook housing project community center in Brooklyn, New York. Photograph by Arthur Rothstein, June 1942. View full size.

Using some of the photos posted on Shorpy, reader Dale Caruso put together this touching audio slide show on child workers at the turn of the century. Thanks for sharing Dale.

Students attend a class in knitting at the Red Hook housing project community center in Brooklyn, New York. Photograph by Arthur Rothstein, June 1942. View full size.

April 1941. Children jumping rope on the sidewalk of a South Side Chicago street. View full size. Printed from a 35mm nitrate negative shot by Russell Lee.

January 1912. Equitable fire as viewed from the Singer Building. View full size. 5x7 glass negative, George Grantham Bain Collection. An account of the fire.

April 12, 1936. Newsboys in Jackson, Ohio. View full size. 35mm nitrate negative by Theodor Jung for the Resettlement Administration.