Subject
- Allied Forces1
- Ammunition1
- Animals--War use1
- Armed Forces1
- Artillery drill and tactics1
- Battle of Ypres (3rd) (Ieper, Belgium : 1917)1
- Bombardment1
- Command of troops1
- History1
- Howitzers--Maintenance and repair1
- Military campaigns1
- Military history1
- Military planning1
- Military railroads1
- Railway artillery1
- Roads1
- Soldiers--Conduct of life1
- Soldiers--Training of1
- Strategy1
- Trenches1