Websites:

The Bletchley Park Museum is another wonderful source of information on the Enigma and Ultra. It is the place where most of the interception and decoding of messages took place during WW-2. Ongoing work includes expanding the exhibits and the reconstruction of the cryptologic bomb. The website provides much more information: http://www.bletchleypark.co.uk

The British Public Records Office now called the British National Archives contains many documents related to the Enigma which have recently been declassified. These include many intercepted messages. Although some documents have not been scanned yet, many are available on their website at: http://www.nationalarchives.gov.uk/militaryhistory/ They also have downolad services available.

Web References:

There are excellent annotated lists of links on the following web pages:
www.home.comcast.net/~dhhamer/
www.cryptomuseum.com/
www.enigmahistory.org/enigma.html
www.enigma-replica.com
www.enigmatixuk.com

The Cryptologia website lists the articles published in this journal since 1977: http://ftp.math.utah.edu/pub/tex/bib/toc/cryptologia.html

A great deal of additional information can be found by searching at google.com for: 'enigma cipher machines'

An excellent website with a list of all current museums and museum ships is located at: www.marinefunker.de. There is also information about ordering Enigma simulator programs. The two simulator programs are available for 20 Euros from Franz Fick, Kiefernberg 19, 21075 Hamburg, Germany.

Please also visit my Enigma Museum: http://EnigmaMuseum.com or http://w1tp.com/enigma where we try to post the most important and recent findings and discoveries as well as cumulative updates and/or corrections to our website and publications.

Videos:
DECODING NAZI SECRETS: Available from: Public Television (PBS), WGBH Boston Video, P.O.Box 2284, S. Burlington, VT 05407-2284. Tel: (800) 949-8670 / FAX: (802) 864-9846 ($19.95)
THE SECRET WIRELESS WAR: Beyond Bletchley Park. Also includes: Black Propaganda. Grindelwald Productions. P.O. Box 38, Princes Risborough, Bucks, HP27 9YL, Great Britain.

Some Good Reference Books on the Enigma, Ultra, and Related Topics:
Bauer, F. L. (1997). Decrypted Secrets. NY: Springer-Verlag. ISBN 3-540-66871- 3 NOTE: some of the illustrations in this book came from: Turkel, Siegfried, Chiffrieren mit Maschinen und Geraten, Graz (Austria) 1927.
Beesly, P. (1977). Very Special Intelligence. NY: Ballantine. ISBN: 0-345- 29798-9
Bennett, R. (1979). Ultra in the West: The Normandy Campaign of 1944-1945. New York: Scribners. ISBN 0-684-16704-2
Bennett, R. (1989). Ultra and Mediterranean Strategy 1941-1945. Great Britain: Hamish Hamilton. ISBN 0-241-12687-8
Dulles, A. (1963). The Craft of Intelligence. NY: Harper & Row.
Flicke, W. F. (1994). War Secrets in the Ether. Laguna Hills, CA: Agean Park Press.ISBN: 0-89412-233-9
Freedman, Maurice. (2001). Unravelling the Enigma. South Yorkshire: Pen & Sword Books Ltd. ISBN 08052 810 0
Gannon, Michael. (1999). Black May: The Epic Story of the Allies Defeat of the German U-Boats in May, 1943. New York: HarperCollins. ISBN 0-06-017819-1
Harper, S. (1999). Capturing Enigma. Gloucestershire: Sutton. ISBN 0-7509- 3050-0
Harris, R. (1995). Enigma. (a dramatic novel & movie). NY: Ivy Books (Ballantine) ISBN: 0 8041 1548 6
Haufler, H. (2003). Codebreakers' Victory: How the Allied Cryptographers Won World War II. New York: Penguin. ISBN 0-451-20979-6
Hinsley, F.H., & Stripp, A. (1994). Code Breakers: The Inside Story of Bletchley Park. NY: Oxford Univ. Press. ISBN:0-19-285304-x
Hoare, O. (2001). Enigma: Codebreaking and the Second World War: The True Story through Contemporary Documents. Public Records Office/Bletchey Park Trust.
Hodges, A. (1983). Alan Turing: The Enigma. New York: Touchstone Books. ISBN: 0-671-49207-1
Kahn, David, (1967). The Codebreakers: The Story of Secret Writing. New York: Macmillan
Kahn, David, (1978). Hitler's Spies: German Military Intelligence in World War II. New York: Collier Books. ISBN: 0-02-052440-4
Kahn, David, (1991). Siezing the Enigma. New York: Barnes & Noble Books. ISBN: 0-7607-2672-8
Kozaczuk, W. (1979). Im Banne Der Enigma. Militarverlag der Deutschen Demokratischen Republik. ISBN 3-327-00423-4
Kozaczuk, W. (1984). Enigma: How the German Cipher Machine was Broken and how it was read by the allies in World War Two. London:
Kozaczuk, W. (2004). Enigma: How the Poles Broke the Nazi Code. New York: Hipocrene Books. ISBN: 0-7818-0941-X
Lewin, R. (1978). Ultra Goes to War. New York: McGraw Hill. ISBN 0-07-037453- 8
Lewin, R. (1983). The American Magic. Harrisonburg, VA: R.R.Donnelly. ISBN 0- 14-006471-0
Miller, A. R. (2002). The Cryptographic Mathematics of Enigma. Available on request from: NSA Center for Cryptologic History. NSA/National Cryptologic Museum. 9800 Savage Road Suite 6886. Fort George G. Meade, MD 20755-6886
Mowry, D. P. (2003). German Cipher Machines of World War II. Available on request from: NSA Center for Cryptologic History. NSA/National Cryptologic Museum. 9800 Savage Road Suite 6886. Fort George G. Meade, MD 20755-6886
Perera, T. B. (2004). (CD) The Story of the ENIGMA: History, Technology, and Deciphering. Artifax Books, 151 Barton Rd. Stow, MA 01775 http://artifaxbooks.com - email: artifaxbooks@yahoo.com or see: http://w1tp.com/enigma
Perera, T. B. (2000). (CD) Telegraph Collectors Reference CD-2000. Stow, MA: Artifax Books (see above).
Perera, T. B. (1999). Telegraph Collectors Guide. Stow, MA: Artifax Books (see above).
Sebag-Montefiore, H. (2000). Enigma: The Battle for the Code. New York: Wiley
Singh, S. (1999). The Code Book. NY: Doubleday. ISBN: 0-385-49531-5
Skillen, H. (1994). The Enigma Symposium. (and many other titles). Self Published. ISBN: 0-9515190-5-0
Smith, M. L. (2000). The Emperor's Codes. New York: Penguin. ISBN 0-14- 20.0233-X
Stripp, A. (1989). Code Breaker in the Far East. New York: Oxford
Terraine, J. (1989). Business in Great Waters: The U-Boat Wars 1916-1945. London: Leo Cooper. ISBN: 0-85052-7600
Turkel, S. (1927). Chiffrieren mit Maschinen und Geraten, Graz (Austria)
Ulsamer, Gregor. (2001). Faszination Morsetasten: German Telegraph Keys Collector's Guide. Gregor Ulsamer, Longumer Strasse 66, 26723 Emden, Germany.
West, N. (1988). The Sigint Secrets. NY: Morrow. ISBN: 0-688-07652-1
Wilcox, J. (2002). Solving the Enigma: History of the Cryptanalytic Bombe. Available on request from: NSA Center for Cryptologic History. NSA/National Cryptologic Museum. 9800 Savage Road Suite 6886. Fort George G. Meade, MD 20755-6886
Winterbotham, F. W. (1974). The Ultra Secret. New York: Dell.
Winterbotham, F. W. (1978). The Nazi Connection. New York: Dell. ISBN: 0-440- 16197-5

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NOTE: WE ARE ALWAYS INTERESTED IN PHOTOGRAPHING OR BUYING ENIGMA-RELATED MATERIALS and PARTS

* * THE STORY OF THE ENIGMA CD: History, Technology, and Deciphering (NEW 4th Edition) (Details, Table of Contents & Ordering Information)
This newly expanded CD is a complete cipher machine library. It has twice the material in the 3rd edition. It tells the complete story of the ENIGMA ! Thousands of pictures, books, Enigma simulator programs, construction projects, other cipher machines, realistic videos... and much more. $15. ** (Updates & Corrections)

* * NEW BOOK: INSIDE ENIGMA: Inside the German ENIGMA and other Historic Cipher Machines (Details, Table of Contents & Ordering Information)
This new book contains 208 pages and over 500 pictures that exlain the history and workings of the ENGIMA and other cipher machines including the Russian Fialka. $20. ** (Updates & Corrections)

NOTE: WE ARE AM ALWAYS LOOKING TO BUY, TRADE, OR PHOTOGRAPH VERY UNUSUAL ENIGMA-RELATED ITEMS.

COPYRIGHT NOTICE: (Copyright (c) 2013: Prof. Tom Perera Ph. D.)
Although all the pictures and text are copyrighted, you may use any of them for your own personal applications including public lectures and demonstrations, publications and websites as long as you mention the www.EnigmaMuseum.com or w1tp.com/enigma Museum. If you plan to offer them for sale to the public in any form, you must email me for permission which I will generally grant as long as you mention my museums: http://EnigmaMuseum.com or http://w1tp.com/enigma. My email address is given at the bottom of this page. Some of the material may require contacting other copyright owners for commercial use and I will inform you by email. Please also see the disclaimer of warranty.