FRIEDMAN, WILLIAM F. - Elements of Cryptanalysis: Training Pamphlet No. 3: Prepared in the Office of the Chief Signal Officer: May, 1923.

Washington:: Government Printing Office, 1924. Hardcover. First edition. Octavo, bound in tan cloth with black lettering on the spine. Soiling/darkening on fore edge, pencil notations on rear endpage, else very good. ; 157 pages. Very Good . International orders are billed at cost: . 00 for a book of average size and weight, more for oversize or heavier volumes

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