Author: Pratt, Fletcher
Title: Secret and Urgent: The Story of Codes and Ciphers
Description: Indianapolis / New York, The Bobs-Merrill Company, 1939. Hardcover. Octavo. Hardcover. Bound in red cloth with gilt stamped titles. 282 pages : illustrations ; 25 cm. VG. Toning to spine. Bumping at corners. Previous owners name penned to front end paper.

Keywords: Reference of All Sorts ; Codes and Ciphers ; ;


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