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Subjects
Hungary
3
Labor unions
2
Airplane
1
Arts
1
Biography
1
Bird disease
1
Bureaucracy
1
Christianity
1
Church calendar
1
Civil defense
1
Civil defense exercise
1
Civil defense obligations
1
Collective farms
1
Communism
1
Communism and Christianity
1
Council for Mutual Economic Assistance
1
Energy supply
1
Environmental protection
1
Evacuation
1
Evacuation planning
1