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- Subversive activities4
- Subversive activities United States[remove]4
- Communism2
- Communism United States2
- Antisemitism1
- Antisemitism United States1
- Civil rights and socialism1
- Civil rights and socialism United States1
- Communists1
- Communists United States1
- Employees1
- Internal security1
- Internal security United States1
- Jews1
- Jews United States1
- Politics and government1