"JAZZ." PBS. PBS, n.d. Web. 11 Feb. 2015.
Smiley, Gene. "The U.S. Economy in the 1920s." EHnet. EHnet, 29 June 2004. Web. 25 Feb. 2015.
"U.S. Entry into World War I, 1917 - 1914–1920 - Milestones - Office of the Historian." U.S. Entry into World War I, 1917 - 1914–1920 - Milestones - Office of the Historian. United States Office of the Historian, n.d. Web. 11 Feb. 2015.
The textbook