The reader of gentlemen's mail
Subtitle: Herbert O. Yardley and birth of American codebreaking
By: David Kahn.
Publisher: Yale University Press
Published: 2004
Place of publication: New Haven [Conn.]
Language: eng
Number of pages: 318
Subjects: Yardley, Herbert O. -- 1889-1958.; Cryptographers -- United States -- Biography.; World War, 1914-1918 -- Cryptography.
Genres: Biography.
Notes: Includes bibliographical references (p. 243-304) and index.