A Works Progress Administration Federal Art Project poster from 1941 extolling the benefits of retail commerce. View full size. Now a fine-art print.

A circa 1940 Illinois WPA Art Project poster promoting literacy. View full size.

June 1939. Lincoln County, Oklahoma. Camp of migrant workers near Prague. View full size. Medium-format negative by Russell Lee for the FSA.

"Edwards boy and P.P. Claxton." Our mysterious lad continues his tour of Washington in early 1921 with a visit to the offices of the federal commissioner of education, Philander P. Claxton. View full size. National Photo Co. Collection.

Elizabeth Freeman, dressed as a gypsy, during a February, 1913, suffrage parade in Washington, D.C. Photo from the Bain News Service. View full size.

"Mine Rescuer" circa 1915. View full size. George Grantham Bain Collection.

A farm child whose family resettled on the Bosque Farms project in New Mexico. Photograph by Dorothea Lange, 1935. View full size.

A Zuni Native-American girl with a pottery jar. Photograph by Edward S. Curtis, c. 1903. View full size.

Julien Case in the county agent's office in Florence, Alabama. Photographed by Arthur Rothstein in 1942 while documenting Tennessee Valley Authority work. View full size.

A welder working on the Tennessee Valley Authority's Cherokee Dam in Tennessee. Photograph by Arthur Rothstein, 1942. View full size.

August 28, 1922. A horse at the Animal Rescue League in Washington, D.C. 5x7 glass negative, National Photo Company Collection. View full size.

1921. The Edwards boy with Will Hays in Washington. View full size. 5x4 glass negative, National Photo Company Collection.

1921. Edwards boy at inaugural stand in Washington (East Portico of the Capitol). View full size. 5x7 glass negative, National Photo Company Collection.

A Qahatika Native-American child. Photograph by Edward S. Curtis, c. 1907. View full size.

A portrait of two girls seated, one looking at the braided hair of the other. The photograph is by the Tonnesen Sisters of Chicago, c. 1900. The Tonnesen Sisters ran one of the country's first photo studios for the purpose of creating advertising images. They also ran one of the first professional modeling agencies. View full size.