Subject
- Concessions, Oil, Bahrain26
- Customs administration21
- Land ownership20
- Boundaries18
- Concessions, Oil, Kuwait17
- Petroleum products17
- Treaties15
- Mining14
- Territorial disputes13
- Concessions12
- Ferric oxide12
- Harbours11
- Pearl industry and trade11
- Smuggling11
- Concessions, Oil, Kuwait-Nejd Neutral Zone10
- Education10
- Kings and rulers--Succession10
- Second World War (1939-1945)10
- Armed forces9
- Foreign relations9