The Enigma Bulletin No. 6 (Special issue, Kraków-Mogilany 2002)
Zdzisław J. KAPERA, Before ULTRA There Was GALE. Some Contributions to the History of the Polish Enigma, 1932-1942.
Vol. in 8*, pp. 96, illustrations. Paper. USD 20.00
- Introduction, 7-9;
- I. Gwido Karol Langer and the Breaking of the Enigma, 11-24;
- II. The Man Who Saved ULTRA: Major (Signals) Maksymilian Ciężki (1898-1951), 25-52;
- III. September 1939: The Critical Month in the History of the Polish Sigint (German Front), 53-71;
- IV. The Fates of the Archives of the Polish General Staff's Second Bureau in 1939, 73-87;
- IV. Postscript: Concerning the Fate of the Archives of the Cipher Bureau, 89-92.
- Index of Names, 93-94;
- Selected Cryptological Index, 95-96.