Subject
- Colonial administration9
- First World War (1914-1918)6
- Foreign policy6
- Boundaries4
- Civil aviation4
- Diplomacy4
- First World War campaigns4
- Insurrections4
- Meetings4
- Muslims4
- Rebellions4
- Reports4
- Second World War (1939-1945)4
- International conflicts3
- Oil3
- Air transport2
- Bolshevism2
- Boundary disputes2
- International relations2
- Landing grounds2