Boston, Houghton Mifflin Co, 1991. K12s Lee, Bruce. The Untold Story of World War II . New York, Crown Publishers, 1995. See index under Ultra for specific references.
Book call no.
Key Documents on the Role of Communications Intelligence in the War with Japan . Wilmington, DE, Scholarly Resources, Inc., 1988. Book call no. The American War in Europe . New York, William Morrow, 1986.