01256nam a2200157   4500001000500000005001700005008004100022035000300063041000700066050002000073100001600093245006500109260003800174300001900212520086700231191820230411085626.0060907n1996    dr                  spa      aEN14aZ 103 K12c 1996  aKahn, David14aThe codebreakes :bthe story of secret writing /cDavid Kahn  aNew York :bScribner,c1996        axviii, 1179 p.  aThe first 3000 years, 71. -- The rise of the west, 106. -- On the origub of a soecies, 125. -- The era of the black chambers, 157. -- The contribution of the dilettates, 189. -- Crises of the union, 214. --  The professor, the soldier, and the man on devil's island, 230. -- Room 40, 266. -- Warr of intercepts : I, 266. -- A war of intercepts : II, 298. -- Two americans, 321. -- Secrecy for sale, 398. -- Duel in the ether : The axis, 394. -- Duel in the ether : Neutrals and allies, 435. -- Censors, scramblers, and allies, 435. -- Censors, scramblers and spiers, 513. -- The scrutable orientals, 561. -- The anatomy of cryptology, 737. -- Heterogeneous impulses, 763. -- Rumrunners, businessmen, and makers of non secret codes, 802. -- Ciphers in the tense, 854. -- The pathology of cyptology, 873. -- Ancestral voices, 895. -- Messages from outer space, 938