- Congo (Democratic Republic)--Maps (9)
- Ruanda-Urundi--Maps (9)
- Missions--Congo (Democratic Republic) (2)
- Missions--Ruanda-Urundi (2)
- Animal products--Congo (Democratic Republic)--Maps (1)
- Animal products--Ruanda-Urundi--Maps (1)
- Burundi--Administrative and political divisions--Maps (1)
- Catholic Church--Missions--Maps (1)
- Congo (Democratic Republic)--Administrative and political divisions--Maps (1)
- Congo (Democratic Republic)--Boundaries (1)
- Congo (Democratic Republic)--Languages--Maps (1)
- Congo (Democratic Republic)--Population-- Maps (1)
- Fruit trade--Congo (Democratic Republic)--Maps (1)
- Hydrology (1)
- Medical geography--Congo (Democratic Republic)--Maps (1)
- Medical geography--Ruanda-Urundi--Maps (1)
- Phytogeography--Congo (Democratic Republic)--Maps (1)
- Phytogeography--Ruanda-Urundi--Maps (1)
- Protestant churches--Missions--Maps (1)
- Ruanda-Urundi--Boundaries (1)
- Ruanda-Urundi--Languages--Maps (1)
- Ruanda-Urundi--Population--Maps (1)
- Rwanda--Administrative and political divisions--Maps (1)
- Tsetse-flies--Congo (Democratic Republic)--Maps (1)
- Tsetse-flies--Ruanda-Urundi--Maps (1)
- Vegetable processing plants--Congo (Democratic Republic)--Maps (1)
- Vegetable trade--Congo (Democratic Republic)--Maps (1)
- Water-supply (1)