332nd Fighter Group airmen at a briefing in Ramitelli, Italy. March 1945. Foreground: Emile G. Clifton of San Francisco and Richard S. "Rip" Harder of Brooklyn. View full size. Photograph by Toni Frissell.

Sagebrush and mountains in northern New Mexico, 1943. View full size. 4x5 Kodachrome transparency by John Collier.

Evelyn Casey, 129 Gaynore Street. Age fourteen years, six months - Irish. Went to work on 14th birthday cleaning harnesses in Borden Mills. Left because of no work and expects to learn weaving in Flint mill with a girl friend. Location: Fall River, Massachusetts. June 17, 1916. View full size. Photograph by Lewis Wickes Hine.

"The girl works all day in a cannery." Location unspecified but possibly Mississippi. 1911. View full size. Photograph by Lewis Wickes Hine.

Noon hour at the Woodbury Bottle Works in Woodbury, New Jersey. November 1909. View full size. Photograph by Lewis Wickes Hine.

Small girl, Bright Horton, works in Atherton Mill, Charlotte, N.C. Been in mill work 2 years. January 1909. View full size. Photograph by Lewis Wickes Hine.

The President's 40-horsepower White Model M steam-powered touring car. March 1909. Photographed on the White House grounds in the early days of the Taft administration. In the back is the State Department, now the Eisenhower Executive Office Building. View full size. George Grantham Bain Collection. Question for the old-car experts: Does each tire really have multiple valve stems?