History of Codes and Ciphers in the U S During World War 1 (Cryptographic Series, #21)
Aegean Park Press, June 1979. First Trade. Hardcover. -encOriginally 'this book... was prepared (written) in 1946 by the Historical Section of the (then) Army Security Agency'. First published for public consumption in 1979 in both paperback and paperback. Quarto. {8 & 1/2' x 11'} Blue slick paper covered boards with..... More