Sources
John Pimlott. The Historical Atlas of World War II. New York: Henry Holt and Company, 1995.
Edwin P. Hoyt. 199 Days: The Battle for Stalingrad New York: Tom Doherty Inc. 1993
Francois Kersaudy. Norway 1940. New York: William Collins Sons and Co. Limited. 1987
Alwyn Featherston. Saving the Breakout Novato, Ca: Presido Press. 1949.
Warren Tute. D DAY New York: Macmillian. 1974
Editors of Time-Life. The Luftwaffe Alexandria, Virginia: Time-Life. 1982.
Simon Adams. World War II New York: Dorling Kindersley. 2000.
Charles B. Macdonald. A Time for Trumpets New York: William Morrow and Company, Inc. 1985.
Richard Overy. Russia's War Publication information pages missing.
Al Hine. D-DAY New York: American Heritage. 1962.
All the sites in the links page
Onwar.com for maps