Contributor
Andrew, Christopher M.
Imprint:London ; Totowa, NJ : F. Cass, 1986.
Description137 p. ; 23 cm.
Note:"Studies first appeared in a special issue on 'Code-breaking and National Security' of the journal Intelligence and National Security, vol. 1, no. 1"--T.p. verso.
Note:Codebreaking and signals intelligence / Christopher Andrew -- Tsarist codebreakers and British codes / Christopher Andrew, Keith Neilson -- No final solution: a survey of the cryptanalytical capabilities of German military aencies, 1926-35 / J.W.M. Chapman -- The Government Code and Cypher School between the wars / A.G. Denniston -- From Polish bomba to British bombe: the birth of Ultra / Gordon Welchman -- Ultra's poor relations / Christopher Morris -- Surveillance and intelligence under the Vichy Regime: the Service du Contrôle Technique, 1939-45 / Roger Austin.
Bibliography Note:Includes bibliographies.