Sources

The sources we used in our research


 * "US Enters WWI: 1917." //Then Again. . .// Web. 08 Dec. 2009. [].
 * "Lusitania." //Great Ships: The Postcard and Ephemera Collection of Jeff Newman//. Web. 08 Dec. 2009. [].
 * "Sussex (French passenger ferry)." //AbsoluteAstronomy.com//. Web. 08 Dec. 2009. [].
 * "The Zimmerman Note -." //World War I Document Archive//. Web. 08 Dec. 2009. .