Subject
- Military logistics80
- Military supplies73
- Military intelligence48
- Railway construction24
- Railways21
- Military administration18
- Prisoners of War13
- Shipping12
- Demobilisation11
- Military equipment11
- Military occupation11
- Battles10
- River navigation10
- Bolshevism9
- Military communications9
- Military operations9
- Colonial administration8
- Military deployment8
- Political intelligence8
- Reports8