ULTRA/Bibliography

Books

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

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

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

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)

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

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