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Subject
- Espionage, Soviet[remove]5
- Foreign relations2
- History2
- Petrov, Vladimir Mikhaĭlovich, 1907-2
- Politics and government2
- Communist Party of Australia1
- Menzies, Robert, 1894-19781
- Milner, Ian1
- National security1
- Petrov affair1
- Soviet Union. Komitet gosudarstvennoĭ bezopasnosti1
- Spies1
- Strategic aspects1
- United Nations1