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Subjects
War production plants
3
Warning
3
Water supply
3
Air raid
2
Assembly area
2
Biological warfare
2
Chemical attack
2
Church and state
2
Collective memory
2
Communism and society
2
Construction of shelters
2
Debrecen
2
Decontamination of personal clothing
2
Dictatorship
2
Economic history
2
Economics
2
Educational counseling
2
Elections
2
Epidemic
2
Escape route
2