Subject
- Intelligence[remove]17
- Reports5
- First World War (1914-1918)3
- Airlines2
- Arab nationalism2
- Civil aviation2
- First World War in Mesopotamia (1914-1918)2
- Public opinion2
- Rebellions2
- Trade (practice)2
- Arab Revolt (1916-1918)1
- Biographies1
- Civil engineering1
- Consular services1
- Expenditure1
- Food shortages1
- Fortifications1
- Geographical exploration1
- Labour relations1
- Military operations1