Montgomery County, Maryland, circa 1940. "Bowman Bros. grist mill, Gaithersburg." 8x10 inch acetate negative by Theodor Horydczak. View full size.

June 1941. "Hay stacker and haystack on farm of member of the Dairymen's Cooperative Creamery. Caldwell, Canyon County, Idaho." Medium format acetate negative by Russell Lee for the Farm Security Administration. View full size.

June 1941. "Coaling station on railroad at Nampa, Idaho." Medium format acetate negative by Russell Lee for the Farm Security Administration. View full size.

New York, 1938. "Shoe repair establishment on East 63rd Street." Medium format acetate negative by Sheldon Dick for the Farm Security Administration. View full size.

Somewhere in Baltimore. "Janet diving, 1961." 35mm Kodachrome by Janet and Kermy's parents, from a collection of slides found on eBay. View full size.

October 1940. "Resting after dinner following a corn shucking on Hooper Farm in Corbett Ridge section. Caswell County, North Carolina." Medium format acetate negative by Marion Post Wolcott for the Farm Security Administration. View full size.

September 1940. "Old swimming hole up South Fork, Breathitt. County, Kentucky." Medium format negative by Marion Post Wolcott for the Farm Security Administration. View full size.

March 28, 1901. "Happy Hollow -- Hot Springs, Arkansas." You can see more of Happy Hollow here. 8x10 inch dry plate glass negative, Detroit Photographic Company. View full size.

Circa 1902. "Sam Peths [?]." 5x7 inch glass negative from the C.M. Bell portrait studio in Washington, D.C. View full size.

Circa 1902. "Miss K. Weston." Head and shoulders above the rest. 5x7 inch glass negative from the C.M. Bell portrait studio in Washington, D.C. View full size.

October 15, 1922. Washington, D.C. "National Woman's Party -- moving." 4x5 inch glass negative, National Photo Company Collection. View full size.

April 22, 1932. "Ware Shoals, South Carolina. Cotton cloth printing machine from rear." 5x7 inch acetate negative by Gottscho-Schleisner. View full size.

February 14, 1967. "Divorcée Kay Biocini of Redwood City, Calif., chauffeuring some of her five children, John, George, Peter, Rodney and Ann." 35mm negative from photos by Thomas R. Koeniges for the Look magazine assignment "Divorce Suburban Style." View full size.

September 1952. "Portrait of Broadway entertainer Helen Gallagher in dance pose." Color transparency by Arthur Rothstein for Look magazine. View full size.

Volusia County, Florida, circa 1897. "The Hammock Road near Ormond." 8x10 inch dry plate glass negative by William Henry Jackson, Detroit Photographic Company. View full size.