| |
|
Defectors to the United States
|
123494 |
| |
|
Polish defectors
|
123495 |
| |
|
Polish spies
|
123496 |
| |
|
Gervase Cowell
|
123504 |
| |
|
George Kisevalter
|
123505 |
| |
|
British spies against the Soviet Union
|
123506 |
| |
|
Wireless
|
123514 |
| |
|
Surface-to-air missiles of the United Kingdom
|
124375 |
| |
|
Anti-Chinese sentiment in Korea
|
124507 |
| |
|
Cyber spying (cyber espionage)
|
123526 |