Subject
- Arms control1
- Bilateral relations7
- Communication control1
- Communication methods1
- Concessions, Oil, Trucial Coast3
- Customs administration1
- Date Gardens1
- Education1
- Ethnic conflicts1
- Etiquette2
- Fortifications2
- Insurrections3
- International relations1
- Land ownership1
- Law enforcement1
- Peacemaking3
- Protectorates1
- Regents2
- Rulers1
- Sovereignty1