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Subject
- Civilization3
- Civil defense2
- History2
- Popular culture2
- Administrative procedure1
- Aeronautics, Commercial1
- Antiquities1
- Civil rights1
- Culture1
- Excavations (Archaeology)1
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- Great Britain. Civil Aviation Authority1
- Law and legislation1
- Literacy1
- Mass media1
- Nuclear warfare1
- Psychological aspects1
- Refugees1
- Working class1