TheCodeBreakers
B., 90-95, 98 All-purpose cipher, 401-402 Alphabet cipher, xii Alphabetical
Typewriter (cipher machine.) See
PURPLE Amateurs, 388-389, 402-408
See also inventors
American Black Chamber. See Black Chamber
American Black Chamber, The, 179-181
American Cryptogram Association, 410, 411-412
American Expeditionary Force, 156-157
American Indian languages, 289-290
American Telephone and Telegraph Company, 193-199, 202-203, 294, 295, 409
Amjadi, M., 374
AN-103, 325
Anderson, W. S., 3, 340
Ango Kenkku Han, 322
Arabs, 80-82
Argenti, G. B., 86
Arisue, S., 328
Armed Forces Security Agency, 379-380
Army Security Agency, 15, 319,381
Artha-sastra, 71
A.S.A. See Army Security Agency
Atbash, 72-73, 292
Atlantic, Battle of, 244-245, 268-272
Atlantis, 243
Atlas computer, 394
A. T. & T. See American Telephone and Telegraph Company
461
Atterbury, F., 107-108 Augustus Caesar, 77 Australia, 266 Austria, 128-129
See also Dechiffrierdienst; Geheime Kabinets-Kanzlei