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SUBJECTS (1-2 of 2)
Cryptography History
1
Mark
  The code book : the secret history of codes and code-breaking.
Singh, Simon.
London : Fourth Estate, 2000.  
2000
BOOK
LOCATION SHELVED AT LOAN TYPE STATUS
 BJL Reading Room Mezzanine  Z 103 S6  8 WEEK LOAN  AVAILABLE
2
Mark
  The codebreakers : the story of secret writing.
Kahn, David, 1930-
New York : Scribner, c1996.  
c1996
BOOK
LOCATION SHELVED AT LOAN TYPE STATUS
 BJL Reading Room Mezzanine  Z 103 K1  8 WEEK LOAN  AVAILABLE
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