2 tulosta hakusanalla "United States Diplomatic Codes and Ciphers, 1775-1938".
Ralph E. Weber · ISBN 9780913750209
Julkaistu 1985 Kieli englanti sidottu
United States Diplomatic Codes and Ciphers, 1775-1938 is the first basic reference work on American diplomatic cryptography. Weber's research in national and private archives in...
Ralph E. Weber · ISBN 9781412814867
Julkaistu 2010 Kieli englanti nidottu
United States Diplomatic Codes and Ciphers, 1775-1938 is the first basic reference work on American diplomatic cryptography. Weber's research in national and private archives in...