Subject
- Tourists29
- Engineering and construction26
- Ammunition23
- Walls21
- Cranes, derricks, etc14
- Military architecture13
- Operational rations (Military supplies)13
- Orderly books13
- Visitors' centers11
- Military administration10
- Battle casualties7
- Fire pot cooking7
- Cemeteries6
- Engineering drawings6
- Excavation6
- Fort Sumter (Charleston, S.C.)6
- Gunpowder6
- Park rangers6
- Bulldozers5
- Courts-martial and courts of inquiry5