October 1913. Dallas, Texas. "Two six-year-old newsboys. Odell McDuffy and Sam Stillman. There are many other of six and seven years selling here." Photograph and caption by Lewis Wickes Hine. View full size.

1917. "C.W. Hecox, instructor in machine shop, D.C. public schools. Supervising manufacture of practice shells for Navy at McKinley training school." Harris & Ewing Collection glass negative, Library of Congress. View full size.

Circa 1945-47. "Experimental kitchen model." Our second picture in this series of speculative designs addressing the postwar shortage of housing for mice. This model home has an open floorplan and open ceiling plan as well, with attic storage for giant cigars and oversize tins. Photo: Eric Schaal, Life archive. View full size.

Circa 1916. "Society Circus. Clowns on a horse." The poor horse being the straight man in this act. Harris & Ewing Collection glass negative. View full size.

Washington circa 1924. "Wilkins Building, 1514 H Street." With a ghost strolling past the hydrant. National Photo Company glass negative. View full size.

From a series titled "Experimental housing models. Storage shed & garage, dining room & kitchen." Circa 1945-48, of the "Your Future Postwar Home" genre. Kodachrome transparency by Eric Schaal, Life photo archive. View full size.

Dec. 18, 1915. "Mrs. Edith Bolling Galt Wilson. Her jewelry store, Galt & Bro." When her husband died in 1908, Edith Galt took over the management of this store at 1107 Pennsylvania Ave.; the photo was taken on the day of her marriage to President Woodrow Wilson. Harris & Ewing glass negative. View full size.

1915. "Dog show. Mrs. Henry C. Corbin." Another entry from H&E's series showing matrons, misses and their mutts at the Washington Kennel Club dog show of April 1915. Harris & Ewing Collection glass negative. View full size.