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- History17
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- United States. Central Intelligence Agency6
- Foreign relations5
- Espionage, American4
- National security3
- Secret service3
- Cold War2
- Helms, Richard2
- Spies2
- World War, 1939-19452
- Abuse of administrative power1
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- Cutler, Richard W.1
- Dai, Li, 1896-19461
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- Dulles, Allen Welsh, 1893-19691
- Espionage1