Chapter 17: Smithsonian American Art Museum, Washington, D.C./Art Resource, NY.
Chapter 18: Library of Congress.
Chapter 19: Picture Research Consultants Archives.
Chapter 20: Chicago History Museum.
Chapter 21: Chicago History Museum.
Chapter 22: National Archives.
Chapter 23: The Granger Collection, New York.
Chapter 24: Library of Congress.
Chapter 25: Photo by PhotoQuest/Getty Images.
Chapter 26: Collection of Charles H. Christensen.
Chapter 27: Bettmann/Corbis BE042857.
Chapter 28: © Bob Adelman.
Chapter 29: Larry Burrows.
Chapter 30: Dirck Halstead/Getty Images.
Chapter 31: Imagine China via AP Images.