Elements of cryptanalysis
By: prepared in the office of the Chief Signal Officer.
Contributors: United States. Army. Signal Corps.; George Fabyan Collection (Library of Congress)
Series: Training pamphlet ;; no. 3; Signal Corps pamphlets.; no. 3.
Publisher: G.P.O.
Published: 1923
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 157
Subjects: Cryptography.; Ciphers.
Notes: Includes bibliographical references (p. 142-143).
LC copy is item no. 717 of the George Fabyan Collection.