World War, 1939-1945 -- Cryptography |
31 |
SEE ALSO narrower term: Enigma cipher system |
8 |
SEE ALSO narrower term: Lorenz cipher system |
1 |
SEE ALSO narrower term: ULTRA (Intelligence system) |
3 |
World War, 1939-1945 -- Cryptography -- Children's material. |
11 |
World War, 1939-1945 -- Cryptography -- Comic books, strips, etc. -- Children's material. |
1 |
World War, 1939-1945 -- Cryptography -- Fiction. |
5 |
World War, 1939-1945 -- Cryptography -- Young adult fiction. |
5 |
World War, 1939-1945 -- Cryptograpy -- Fiction. |
2 |
World War, 1939-1945 -- Cuba -- Fiction. |
2 |
World War, 1939-1945 -- Czech Republic -- Fiction. |
1 |
World War, 1939-1945 -- Czech Republic -- Prague |
4 |
World War, 1939-1945 -- Czech Republic -- Prague -- Fiction. |
1 |