John F. Dooley – författare

History of Cryptography and Cryptanalysis

Codes, Ciphers, and Their Algorithms

Gambler and the Scholars

Herbert Yardley, William & Elizebeth Friedman, and the Birth of Modern American Cryptology

Gambler and the Scholars

Herbert Yardley, William & Elizebeth Friedman, and the Birth of Modern American Cryptology

History of Cryptography and Cryptanalysis

Codes, Ciphers, and Their Algorithms

Brief History of Cryptology and Cryptographic Algorithms

Codes, Ciphers and Spies

Tales of Military Intelligence in World War I