Subject
- Arab Revolt (1916-1918)13
- Boundary disputes13
- Military intelligence13
- Oil extraction13
- Trade (practice)13
- Reports12
- Revenue12
- Telegraph lines12
- Administration11
- Arms control11
- Foreign policy11
- Harbours11
- Military affairs11
- State visits11
- Consular services10
- Government spending10
- Mining10
- Petroleum industry10
- Tribes10
- Agriculture9