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Subject
- Description and travel743
- History414
- Missions242
- Politics and government201
- Economic conditions181
- Hunting162
- Colonies160
- Ethnology131
- Social conditions101
- Social life and customs84
- Economic integration83
- Travel81
- Commerce75
- Slave trade69
- Discovery and exploration67
- East African Community64
- Campaigns61
- World War, 1914-191861
- Zoology61
- Natural history58