January 1941. Middlesex Street in the textile mill center of Lowell, Massachusetts. 35mm Kodachrome transparency by Jack Delano. View full size.

July 25, 1924. "Some of the young bootblacks working around Trinity Church, New York City." View full size. Photo and caption by Lewis Wickes Hine.

1924. South Manchester, Connecticut. "Cheney Silk Mills. Favorable working conditions." View full size. This picture, one of the last photographs Lewis Wickes Hine made over the span of some 16 years for the National Child Labor Committee, is among the relatively few he took using film.

A cheery WPA Art Project poster from 1940 for the Cleveland Metropolitan Housing Authority. View full size. Old photos to resume in a few short hours.

A Federal Art Project silkscreen poster from 1941, one of a series of public health graphics so attractively designed, they almost seemed like ads for VD. View full size. Get it while it lasts ... Spread the message with this fine-art print.

A silkscreen WPA Art Project poster for the Illinois State Library Project circa 1940. View full size. Available as a Juniper Gallery fine-art print.

It's the third Tuesday in September - so it must be Old Poster Day at Shorpy.com! Old Faithful erupts in this circa 1938 National Park Service silkscreen for Yellowstone National Park. View full size. Available as a fine-art print.