The reader of gentlemen's mail : Herbert O. Yardley and the birth of American codebreaking / David Kahn.

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Bibliographic Details
Main Author:	Kahn, David, 1930-
Format:	Book
Language:	English
Published:	New Haven : Yale University Press, ©2004.
Subjects:	Yardley, Herbert O. > (Herbert Osborn), > 1889-1958. Cryptographers > United States > Biography. World War, 1914-1918 > Cryptography.

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Holdings details from PASCAL Offsite
Call Number:	UB271.U52 Y374 2004
UB271.U52 Y374 2004	Available Place a Hold