Subject
- Military intelligence[remove]260
- Military logistics38
- Military supplies35
- Reports34
- Political intelligence32
- Military operations22
- Diplomacy16
- Military occupation12
- Military strategy12
- Railways12
- Bilateral relations10
- Bolshevism10
- First World War (1914-1918)10
- Military communications10
- Railway construction10
- Treaties10
- Tribes10
- Biographies9
- Surveys9
- First Anglo-Afghan War (1838-1842)8