Subject
- Second World War (1939-1945)50
- Petroleum industry21
- Petroleum refineries11
- Air raid precautions8
- Exports8
- Subversive activities8
- Bilateral relations7
- Civil defence7
- Petroleum products7
- Military recruitment6
- Passports6
- Security of property6
- Shipping6
- War propaganda6
- Persian Gulf States (emergency) Order in Council (1939)5
- Customs administration4
- Imports4
- Trade (practice)4
- Concessions, Oil, Trucial Coast3
- Deportation3