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Subjects
Civil defense
2
Generals
2
Statesmen
2
Air raid warning
1
Cabinet officers
1
Communism
1
Contamination area
1
Escape route
1
First aid assistance
1
Hazardous area
1
Hungary -- History -- 1956 -1962 -- Sources
1
Hungary -- History -- Revolution, 1956 -- Refugees
1
Public shelter
1
Search and rescue of the injured
1
Traffic control
1
Transportation
1