Somewhere mountainous circa 1910. "Young couple on rock holding hands, full-length portrait." 5x7 inch dry plate glass negative, Detroit Publishing Company. View full size.

"Abraham Lincoln, presidential candidate, half-length portrait, facing right." Circa 1881 albumen silver print from a glass negative by Alexander Hesler. View full size.

        Photo of Lincoln made from a negative taken in Springfield, Illinois, by Alexander Hesler on June 3, 1860. "Wrote Lincoln's law partner, William H. Herndon, 'There is the peculiar curve of the lower lip, the lone mole on the right cheek, and a pose of the head so essentially Lincolnian; no other artist has ever caught it.' "

1907. "Maud Wagner, circus performer and tattooist." Maud Stevens Wagner (1877-1961), thought to be America's first female tattoo artist. Plaza Gallery, Los Angeles. View full size.

Feb. 24, 1958. "Erwin Swann, half-length portrait, standing, facing front, hands in pockets." The future Mr. of Mrs. Swann. Gelatin silver print by Jean Raeburn, New York. View full size.

New York, 1959. "Mrs. Erwin D. Swann (Caroline Burke), head-and-shoulders portrait, facing front." New York World-Telegram and Sun Newspaper Photograph Collection. View full size.

May 14, 1913. "Young woman in pitching stance, full-length studio portrait, wearing a baseball uniform." Gelatin silver print, Stadler Photographing Co., New York-Chicago. View full size.

April 1940. "Resident of riverfront shacktown. Dubuque, Iowa." Medium format acetate negative by John Vachon for the Farm Security Administration. View full size.

July 1940. "Chamisal, New Mexico. Spanish-American boy with chest which he carved. These people are adept in many of the handcrafts." Acetate negative by Russell Lee. View full size.

August 1941. "One of the children of Albert Lynch, FSA client of Dummerston, Vermont." Acetate negative by Jack Delano for the Farm Security Administration. View full size.

January 1900. "Kop-kop-ki-hi (White Cottonwood). Photo shows Charley Van Pelt, a Yakama Indian man, half-length portrait, seated, facing right." Gelatin silver print by Lee Moorhouse (1850-1926) of Pendleton, Oregon. View full size.

August 1941. "Ore puncher waiting for change of shift. Allouez, Wisconsin." Medium format acetate negative by John Vachon for the Farm Security Administration. View full size.

"Elizabeth Clapp (between January 1891 and January 1894)." 5x7 inch glass negative from the C.M. Bell portrait studio in Washington, D.C. View full size.

Ca. 1932. "Woman holding a cigarette." Gelatin silver print by Wynn Richards. View full size.

Washington, D.C., circa 1904. "H.D. Watts." Maryland Agricultural College alum (and Cadet Major, as well as tennis champion, football captain, calculus whiz, etc.) Harry Dorsey Watts, last seen here. 5x7 glass negative from the C.M. Bell portrait studio. View full size.

1904. Washington, D.C. "H.D. Watts, 6th Street." Proud alumnus of Maryland Agricultural College. 5x7 inch glass negative from the C.M. Bell portrait studio. View full size.