Subject
- River navigation[remove]11
- Military supplies10
- Military logistics9
- Prisoners of War5
- Railway construction4
- Aeroplanes2
- Battles2
- Military equipment2
- Military personnel2
- Artillery1
- Camels1
- Climate1
- Homicide1
- Hospital ships1
- Military intelligence1
- Military medals1
- Military recruitment1
- Military training1
- Railways1
- Sanitation1