Subject
- Petrol[remove]6
- Military logistics3
- Military supplies3
- Shipping3
- Bolshevism2
- Military occupation2
- Storage facilities2
- Aeroplanes-Refueling1
- Armenian Genocide (1915-1923)1
- Bahrain Civil Air Agreement (1934)1
- Battles1
- Concessions, Oil, Bahrain1
- Jangali Movement (1915-1920)1
- Landing grounds1
- Malleson Mission (1918-1919)1
- Military intelligence1
- Motor transport1
- Oil wells1