Subject
- Military intelligence87
- Military logistics82
- Military supplies73
- Military administration55
- Military personnel31
- Military operations26
- Railway construction25
- Railways23
- Military occupation16
- Reports15
- Shipping15
- Prisoners of War14
- Demobilisation13
- Military communications12
- Military strategy12
- Battles11
- Bolshevism11
- Military equipment11
- River navigation11
- Tribes11