Description: The Friedman legacy

Uniform Title:	Six lectures on cryptology
Main Author:	Friedman, William F. 1891-1969.
Other Authors:	United States. National Security Agency/Central Security Service. Center for Cryptologic History.
Format:	Microfilm
Language:	English
Published:	[Fort George G. Meade, MD] : The Center, 1992.
Physical Description:	v, 282 pages : illustrations ; 28 cm.
Series:	United States cryptologic history. Sources in cryptologic history ; no. 3.
Subjects:	Friedman, William F. -- (William Frederick), -- 1891-1969. Friedman, Elizebeth, -- 1892-1980. Cryptographers -- United States -- Biography. Cryptography -- United States -- History.

Item Description:	Originally published as: Six lectures on cryptology in 1963; with two essays: "The legendary William F. Friedman" by Lambros Callimahos and "Breaking codes was this couple's lifetime career" by James R. Chiles as well as biographical information on William Friedman and Elizabeth Smith Friedman. Shipping list no.: 2002-0529-M. "Second printing." Includes bibliographical references (pages 237-240) Includes index. Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 2002 3 microfiches : negative.
Physical Description:	v, 282 pages : illustrations ; 28 cm.
Bibliography:	Includes bibliographical references (pages 237-240)