Subject
- Resources exploration[remove]11
- Agricultural development2
- Concessions, Oil, Iran2
- Concessions, Oil, Iraq2
- Concessions, Oil, Trucial Coast2
- Currencies2
- Military occupation2
- Minerals2
- Petroleum industry2
- Second World War (1939-1945)2
- Bilateral relations1
- Bitumen1
- Concessions, Oil, Muscat1
- Concessions, Oil, Qatar1
- Dynasties1
- Food shortages1
- Frontiers1
- Geological surveying1
- Iraqi Revolt (1920)1
- Kings and rulers--Succession1