Subject
- Military intelligence13
- Mesopotamian Campaign (1914-1918)8
- First World War (1914-1918)6
- Demographic statistics4
- Indigenous populations4
- Irrigation4
- Military operations4
- Political information3
- Shipping3
- Agriculture2
- Canals2
- Colonial administration2
- Geographical data2
- Historical geography2
- Military communications2
- Reference materials2
- River surveys2
- Supplies2
- Aerial operations1
- Battle of Shaiba (1915)1