Subject
- International relations18
- Slave trade18
- Treaties18
- Naval operations15
- Military operations13
- Trade (practice)10
- General Treaty with the Arab Tribes of the Persian Gulf (1820)7
- Armed forces6
- Foreign relations6
- Financial administration5
- Imperial rivalry5
- Slavery5
- Piracy4
- Tribes4
- Wool trade4
- Administration3
- Diplomacy3
- Euphrates Expedition (1835-1837)3
- Napoleonic Wars (1800-1815)3
- Plague3