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Subject
- Communism16
- Subversive activities2
- African Americans1
- Anti-communist movements1
- Blacklisting of entertainers1
- Communist Party of the United States of America1
- Cooperation1
- Cooperative societies1
- Education1
- Internal security1
- International cooperation1
- International organization1
- Loyalty oaths1
- Motion picture industry1
- Nelson, Steve, 1903-19931
- Rosenberg, Ethel, 1915-19531
- Rosenberg, Julius, 1918-19531
- Security clearances1
- Socialism1
- World politics1