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Subject
- Ethnology[remove]45
- Population13
- Economic conditions11
- Maps8
- Languages5
- Phytogeography5
- Population density5
- Land use3
- Land use, Rural2
- Natural resources2
- World War, 1914-19182
- Administrative and political divisions1
- Ethiopia1
- Indians of North America1
- Minorities1
- Roads1
- Territorial expansion1
- Territorial questions1
- Tribes1
