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Subjects
Hungary -- History -- 1956 -1962 -- Sources
35
Hungary -- History -- Revolution, 1956 -- Refugees
35
Civil defense
9
Civil defense at factories
2
Civil defense command
2
Escape route
2
First aid
2
Imperialist aggression
2
Improvised shelters
2
Radio warning
2
Training coordination
2
Agriculture
1
Air defense
1
Air raid warning
1
Air-raid service
1
Assembly area
1
Bikini atoll nuclear tests
1
Biological warfare
1
Black-out services
1
Civil defense exercise
1