Subject
- Clippings (Books, newspapers, etc.)86
- Maps86
- Boats83
- Engineering and construction83
- Docks72
- Tourism72
- Walls72
- Fort Moultrie, Battle of, S.C., 177669
- Fort Sumter National Monument (Charleston, S.C.)67
- History67
- H.L. Hunley (Submarine)65
- Painting65
- National Underwater and Marine Agency59
- Submarine disasters56
- Underwater archaeology55
- Naval operations52
- Powder magazines49
- Hurricane damage45
- Ships42
- Tourists40