The codebreakers
Subtitle: the story of secret writing
By: David Kahn.
Edition: [Rev. ed.].
Publisher: Scribner
Published: 1996
Place of publication: New York
Language: eng
Number of pages: 1181
Subjects: Cryptography -- History.
Other titles: Story of secret writing
Notes: Includes bibliographical references (p. 985-987) and index.