0894121987 SHOW MOOCHABLE + ? RELATED SEARCHES > ADVANCED SEARCH > SHOW COVERS + ASIN Copies William F. Friedman Military Cryptanalysis: Transposition and Fractionating Systems (Cryptographic Series , No 61, Part 4) 0 Search BookMooch for a book: SEARCH BOOKMOOCH > Search Amazon for a book: amazon.co.uk amazon.de amazon.es amazon.fr amazon.it amazon.cn SEARCH AMAZON >