Subject
- Concessions, Oil, Muscat[remove]12
- Concessions, Oil, Oman3
- Concessions, Oil, Trucial Coast3
- Boundaries2
- Concessions, Oil, Bahrain2
- Concessions, Oil, Kuwait2
- Concessions, Oil, Najd2
- Geographical exploration2
- Concessions, Oil, Ajman1
- Concessions, Oil, Dhofar1
- Frontiers1
- Resources exploration1
- Second World War (1939-1945)1
- Treaties1