Subject
- Second World War (1939-1945)140
- Imports71
- Petroleum industry70
- Exports65
- Colonial administration55
- Reports44
- Boundary disputes39
- Shipping37
- Slave trade35
- Slave emancipation30
- Motor vehicles28
- Coffee26
- Postal services26
- Concessions, Oil, Bahrain22
- Cars21
- Concessions20
- Hospitality20
- Pearl industry and trade20
- Travel allowances20
- Claims19