Subject
- Colonial administration[remove]10
- Railway construction8
- Military logistics7
- Public opinion4
- Demobilisation3
- Military intelligence3
- Geographical data2
- Historical geography2
- Irrigation2
- Agriculture1
- Food supply1
- Marine navigation1
- Military communications1
- Military maps1
- Military operations1
- Propaganda1
- Russian Civil War (1917-1922)1
- Tribes1
- War casualties1