Subject
- Boundaries3
- Homicide3
- Social conflicts3
- Air services agreements2
- Architectural plans2
- Boundary disputes2
- Civil aviation2
- Muscat Civil Air Agreement (1934)2
- Administration1
- Air force1
- Air mail1
- Airfields1
- Airspace (international law)1
- Annuities1
- Concessions, Oil, Gwadar1
- Diplomacy1
- Embassies and consulates1
- Forced labour1
- Import control1
- Mail carriers1