Enigma cipher system (Topical Term)

Work cat.: 00043920: Sebag-Montefiore, H. Enigma : the battle for the code, c2001.

Kahn, D. Seizing the enigma : the race to break the German U-boat codes, 1939-1943, c1991.

Kozaczuk, W. Enigma : how the German machine cipher was broken, and how it was read by the Allies in World War Two, c1984.

Welchman, G. The Hut Six story : breaking the Enigma codes, c1997.

Acad. Am. encyc.: v. 5, p. 373 (Enigma cryptographic machine)

Collier's: p. 682 (Enigma cipher machine) v. 7, p. 525 (Enigma machine)

Britannica Macro.: v. 16, p. 871 (Enigma cipher machine)