Subject
- Military administration52
- Military personnel52
- Trade (practice)25
- Harbours21
- Colonial administration20
- Second World War (1939-1945)20
- Slave trade18
- Arms traffic17
- Maritime transport17
- Reports17
- Foreign relations16
- International relations15
- Political affairs15
- Diplomacy12
- Merchant shipping12
- Military affairs12
- Concessions11
- Exports11
- Imports11
- Marine navigation11