Subject
- Slave trade[remove]68
- Slave emancipation30
- Treaties12
- International relations10
- Naval operations8
- Piracy6
- Reports4
- Arms traffic3
- Boundary disputes3
- Concessions3
- Military operations3
- Pearl industry and trade3
- Political affairs2
- Shipwrecks2
- Trade (practice)2
- Tribes2
- Abolition of slavery1
- Arms control1
- Arms sales1
- Customs duty1