Table of contents : Transposition and Fractionating Systems......Page 1 GENERAL......Page 7 SOLUTION OF SIMPLE TRANSPOSITION CIPHERS......Page 9 INCOMPLETELY-FILLED RECTANGLES......Page 24 OPPORTUNITIES AFFORDED BY STUDYING ERRORS AND BLUNDERS MADE BY ENEMY CRYPTOGRAPHERS......Page 43 SPECIAL SOLUTIONS FOR TRANSPOSITION CIPHERS......Page 46 PRINCIPLES OF MATRIX RECONSTRUCTION......Page 86 SOLUTION OF GRILLES......Page 92 COMBINED SUBSTITUTIOX-TRANSPOSITION SYSTEMS......Page 101 SOLUTION OF THE ADFGVX SYSTEM......Page 104 SOLUTION OF BIFID FRACTIONATING SYSTEMS I’ilraXrtlpll......Page 151 ANALYTICAL KEY FOR MILITARY CRYPTANALYSIS, IV......Page 199 INDEX......Page 200 MILITARY CRYPTANALYSIS Part III......Page 0