11. Traders on the floor of the New York Stock Exchange watch monitors for transactions on Black Monday, 1987.
12. Some 150 Amish men and boys work together to build a barn in a day for a neighbor who lost his in a fire, Mascot, Pennsylvania, 1964.
13. Wall street back in 1880.
14. Blue Team Assaulters of a Squadron SAS, posing for a photo, 1986.
15. German soldiers reacting to concentration camp footage, 1945.
16. Swastikas in Jerusalem, 1937.
17. Two leaders of the Finnish criminal gang Isoo-Joukko in chains, 1869.
18. Workers in the Tifton cotton mills.
All these children were working, 125 workers in all, Tifton, Georgia, January 1909. The photo was taken by Lewis Hine.