Schoenherr, Steven. "Pearl Harbor Attack - 1941" Pearl Harbor Timeline. 2001, February 21. history.acusd.edu. 2002, April 25.
<http://history.acusd.edu/gen/WW2Timeline/Prelude23.html>
Nation Archives and Records Administrations, . "Exhibit: Pearl Harbor Radiogram." Pearl Harbor Archives. 1996, March. National Archives and Records Administrations. 2002, April 25.
<http://www.nara.gov/exhall/orginals/fdr.html>
Lee, Roger A.. "The History Guy." Day Of Infamy Speech (1941). 1999, September 5. Roger A. Lee. 2002, April 30.
<http://www.historyguy.com/day_of_infamy.html>
Portillo, Michael. "Remembering Pearl Harbor." Attack On Pearl Harbor. 1997, April 10. Michael Portillo. 2002, April 30.
<http://home.tampabay.rr.com/mspusf/pearlharbor.html>
About U.S. Military. "Doolittle\ 's Raid On Tokyo." 1999. Grunts.net. 2002, April 30.
<http://www.grunts.net/wars/20thcentury/wwii/doolittle/doolittle.html>
Books:
Anderson, Duncan. The World At War: 1939-1945. Pleasantville, NY: Reader\ 's Digest Association, Inc., 1999.
Henretta, James, and W. Elliot Brownlea, David Brady, Susan Ware, and Marilynn Johnson. America\ 's History. New York: Worth Publishers, 1997.