Subject
- Agriculture[remove]5
- Irrigation3
- Military administration2
- Military intelligence2
- Military logistics2
- Railways2
- Colonial administration1
- Cultivation1
- Food supply1
- Geographical data1
- Historical geography1
- Mesopotamian Campaign (1914-1918)1
- Military communications1
- Military maps1
- Military operations1
- Military supplies1
- Reports1
- Transportation1
- Tribes1
- War casualties1