ULTRA/Bibliography

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Books

General works on WWII cryptanalysis

• Stephen Budiansky, "Battle of Wits: The Complete Story of Codebreaking in World War II", Free Press, New York, 2000 - Excellent work with a lot of technical detail
• Hervie Haufler, "Codebreaker's Victory: How the Allied Cryptographers Won World War II", New American Library, East Rutherford, 2003 - Covers mostly the use of codebreaking product
• Bradley F. Smith, "The Ultra-Magic Deals And the Most Secret Special Relationship, 1940 - 1946", Novato, Presidio, 1993 - Covers the US-UK collaboration on code-breaking

Bletchley Park

• Peter Calvocoressi, "Top Secret Ultra", Pantheon, New York, 1980 - Memoir of a particpant, it covers breaking as well as exploitation
• Ralph Erskine, Michael Smith, (editors) "Action This Day: Bletchley Park From the Breaking of the Enigma Code to the Birth of the Modern Computer", Bantam, London, 2001 - Survey of the main different cryptanalytic activities at Bletchley, along with some material on exploitation
• F. H. Hinsley, Alan Stripp, (editors) "Codebreakers: The Inside Story of Bletchley Park", Oxford University, Oxford, 1993 - Participants cover all aspects of cryptanalysis at Bletchley in some detail, along with general material about Bletchley
• Thomas Parrish, "The Ultra Americans: The U.S. Role in Breaking the Nazi Codes", Stein and Day, New York, 1986 - Covers the US personnel stationed at Blethley later in the war
• Michael Smith, "Station X: Decoding Nazi Secrets", TV Books, New York, 1999 - High-level survey of the work done at Bletchley, along with its place in the war
• Gordon Welchman, "The Hut Six Story", McGraw-Hill, New York, Allen Lane, London, 1982 - Famous personal memoir by someone who played a major role, along with technical details
• Irene Young, "Enigma Variations: Love, War, and Bletchley Park", Mainstream, Edinburgh, 1990 - Covers everyday life at Bletchley in passing

Enigma

• Jozef Garlinski, "Intercept: Secrets of The Enigma War", J. M. Dent, London, 1979 - Describes the inital Polish work on the Enigma, but mostly covers later developments
• David Kahn, "Seizing the Enigma: The Race to Break the German U-Boat Codes, 1939-1943", Houghton Mifflin, Boston, 1991 - Covers the work on the German naval Enigma
• Wladyslaw Kozaczuk, Jerzy Straszak "Enigma: How the Poles Broke the Nazi Code", Hippocrene, New York, 2004 - Detailed description of the Polish personnel's contributions
• Hugh Sebag-Montefiore, "Enigma: The Battle for the Code", Hoboken, John Wiley and Sons, 2001 - Covers the work on the German naval Enigma

FISH/Colossus

• B. Jack Copeland (editor), "Colossus: The Secrets of Bletchley Park's Codebreaking Computers", Oxford University, New York, 2005 - Detailed description of the technical aspects of the decryption, but not much detail on the actual machine
• Paul Gannon, "Colossus: Bletchley Park's Greatest Secret", Atlantic, London, 2006 - Less technical, gives more about the surrounding events
• Harvey G. Cragon, "From Fish to Colossus: How the German Lorenz Cipher was Broken at Bletchley Park", Cragon, Dallas, 2003 - A detailed description of the cryptanalysis of Tunny, and some details of Colossus (contains some minor errors)

Related

• Patrick Beesly, "Very Special Intelligence: The Story of the Admiralty's Operational Intelligence Centre 1939-1945", Hamish Hamilton, London, 1977 - Covers naval intelligence synthesis which used Ultra material
• Bruce Lee, "Marching Orders: The Untold Story Of World War II", Crown, New York, 1995 - Covers the Allied use of Ultra material
• Ronald Lewin, "Ultra Goes to War", Hutchinson, London, 1978, McGraw-Hill, New York, 1978 - Covers the Allied use of Ultra material
• Ewen Montagu, "Beyond Top Secret Ultra", Coward, McCann and Geoghegan, New York, 1978 - Covers counter-espionage work which used Ultra material
• F.W. Winterbotham, "The Ultra Secret", Harper & Row, New York, 1974 - The first book in English to reveal the secret, it contains mainly information on how Ultra was used by the Allies

Articles

• Marian Rejewski, "How Polish Mathematicians Deciphered Enigma", IEEE Annals of the History of Computing, Vol. 3, No. 3, pp. 213-234, July 1981 - Rejewski's lengthy and detailed explanation of his work
• Marian Rejewski, "An Application of the Theory of Permutations in Breaking the Enigma Cipher," Applicationes mathematicae, 16(4), 1980 (available online) - A more mathematical treatment of the same material
• Gordon Welchman, "From Polish Bomba to British Bombe: the Birth of Ultra, Intelligence and National Security"; in Christopher Andrew (editor), "Codebreaking and Signals Intelligence", Frank Cass, London, 1986 - Welchman's fullest analysis of the contribution of the Poles to the breaking of Enigma