Subject
- Aerial operations1
- Agriculture2
- Colonial administration2
- Cultivation1
- Demographic statistics4
- Geographical data2
- Geology1
- Historical geography2
- Indigenous populations4
- International relations1
- Irrigation4
- Marine navigation1
- Mesopotamian Campaign (1914-1918)1
- Military communications2
- Military intelligence8
- Military maps1
- Military operations3
- Navigable rivers1
- Reference materials2
- Supplies1