Cryptography - History - 20th century. - United States

Code breaking in the pacific by: (Electronic resources)

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

Data Structures, Cryptology and Information Theory.

History of Computing.

Yardley, Herbert O.

Friedman, Elizebeth,

Cryptography- History- 20th century.- United States

Cryptology.

Data and Information Security.

Military intelligence- History- 20th century.- United States

World War, 1939-1945- Cryptography.- Pacific Ocean

Coding and Information Theory.

Friedman, William F.

Data Encryption.

Computer Science.

Math Applications in Computer Science.

Systems and Data Security.