Subject
- Administration3
- Bilateral relations1
- Civil engineering1
- Coffee trade1
- Commercial interests1
- Consular services1
- Diplomacy4
- Fortifications2
- Frontiers2
- General Treaty with the Arab Tribes of the Persian Gulf (1820)1
- Imperialism3
- Intelligence1
- International law2
- International relations1
- Labour1
- Medical statistics1
- Military administration1
- Military personnel1
- Missionaries1
- Negotiation1