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Subject
- History297
- Population265
- Social conditions92
- Economic conditions75
- Population policy59
- Politics and government39
- Demography24
- Migration, Internal23
- Birth control21
- Emigration and immigration19
- Population transfers19
- Populism19
- Famines16
- Food supply16
- Forced migration14
- Rural conditions14
- World War, 1939-194514
- Economic aspects12
- Economic history12
- Rural population12