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Subjects
Civil defense command
1
Civil defense obligations
1
Construction of shelters
1
Daily news
1
Decontamination
1
Decontamination of food
1
Decontamination of technical equipment
1
Engineering rescue services
1
Epidemic
1
Escape route
1
Ethnic conflict
1
Ethnic relations
1
Evolution (Biology)
1
Gaia hypothesis
1
Gas mask
1
Genetics
1
Healthcare
1
Heridity
1
Holocaust, Jewish (1939-1945)
1
Hungary -- Emigration and immigration -- Interviews
1