TheCodeBreakers
, 258, 261-262,
663
Bible, 72-73 Bibo, Major, 230-231 Bigram, definition, xiii Bird, J. M., 435 BLACK code, 249, 254 Black
chambers, 104-106,109, 274, 341
American, 6, 173-179, 191,
192, 457
Bletchley Park, 263-264 Boki, G. L, 359-360, 362 Bond, R. T., 549 Book cipher, 186-187 Bratton, R. S., 30
Braune Blatter, 225 Breon, W., 279-280, 286 Brooke-Hunt, G. L., 172 Brotherhood, F. M., 1-2, 11 BROWN code,
323 Browne, Sir Thomas, 432 Bryant, H. L., 2-3, 4, 47 Bullock, F. W., 317 Bureau du Chiflre, 159 Burke, J. P.,
390 Busch, H., 271 Business codes, 422-423 Byrne, J. F., 408-410
C-36, 212 Cabinet Noir, 111 Cablegrams. See Commercial
codes Cables, German transatlantic,
cutting of, 129 Caesar alphabet, 77 Caesar, J., 77 Caesar substitution, 77, 95,
292, 354, 414, 415 Canada, 183, 266 Canaris, W., 249 Carbonari, 419 Cardano, G., 146 Cardano grille, 281, 283
Cartier, F., 159 Cave, R., 46
Cavendish-Bentinck, V. F. W.,
266
C.B., 319-320, 322 Censorship, U.S