World War, 1939-1945 -- Cryptography |
48 |
SEE ALSO narrower term: Enigma cipher system |
5 |
SEE ALSO: Indian code talkers |
1 |
SEE ALSO narrower term: Lorenz cipher system. |
2 |
World War, 1939-1945 -- Cryptography -- Comic books, strips, etc. |
1 |
World War, 1939-1945 -- Cryptography -- Drama |
1 |
World War, 1939-1945 -- Cryptography -- Fiction |
15 |
World War, 1939-1945 -- Cryptography -- Juvenile literature |
19 |
World War, 1939-1945 -- Cyprus. |
1 |
World War, 1939-1945 -- Czech Republic -- Prague |
2 |
World War, 1939-1945 -- Czech Republic -- Prague -- Fiction. |
2 |
World War, 1939-1945 -- Czech Republic -- Závada (Opava District) |
1 |
World War, 1939-1945 -- Czechoslovakia |
3 |