Subject
- Military intelligence105
- Military administration84
- Military logistics83
- Military supplies74
- Military personnel63
- Military operations30
- Railways27
- Railway construction25
- Reports22
- Military occupation16
- Shipping16
- Tribes15
- Prisoners of War14
- Demobilisation13
- Bolshevism12
- Gazetteers12
- Mesopotamian Campaign (1914-1918)12
- Military communications12
- Military equipment12
- Military strategy12