Cryptography - History - 20th century. - United States

Code breaking in the pacific by: (Electronic resources)

The gambler and the scholarsHerbert Yardley, William & Elizebeth Friedman, and the birth of modern American cryptology / by: (Electronic resources)

World War, 1939-1945

Data Structures, Cryptology and Information Theory.

History of Computing.

Yardley, Herbert O.

Friedman, Elizebeth,

Cryptology.

Data and Information Security.

Cryptography

Military intelligence

Coding and Information Theory.

Friedman, William F.

Data Encryption.

Computer Science.

Math Applications in Computer Science.

Systems and Data Security.