Subject
- Aerial bombardment1
- Air raid precautions[remove]12
- Arab nationalism1
- Censorship1
- Chemical weapons1
- Civil defence3
- Coup d'états1
- Emergency planning1
- Evacuation of civilians2
- Food supply1
- Heavy goods vehicles1
- Italo-Ethiopian War (1935-1936)2
- Military aviation1
- Military demolition2
- Military recruitment1
- Oilfields3
- Petroleum industry6
- Petroleum refineries4
- Sabotage1
- Second World War (1939-1945)9