| |
|
Communism-based civil wars
|
123019 |
| |
|
Ongoing conflicts
|
123021 |
| |
|
Anti-communist terrorism
|
123022 |
| |
|
Illegal drug trade in Colombia
|
123023 |
| |
|
Otto Hahn
|
87035 |
| |
|
Edgar Jung
|
123042 |
| |
|
White supremacist groups in the United States
|
123048 |
| |
|
Herman Kahn
|
87043 |
| |
|
Ships sunk by kamikaze attack
|
123062 |
| |
|
May Fourth Movement
|
86476 |