Subject
- Colonial administration6
- Health services4
- Petroleum resources4
- Sovereignty4
- Education3
- Air accidents2
- Boundary disputes2
- Petroleum industry2
- Political reform2
- Reports2
- Air defence construction1
- Arms sales1
- Birth1
- Buoys1
- Customs administration1
- Customs duty1
- Educational reform1
- First World War (1914-1918)1
- Flags1
- Harbours1