Subject
- Fort Moultrie, Battle of, S.C., 177669
- H.L. Hunley (Submarine)65
- Painting65
- National Underwater and Marine Agency59
- Submarine disasters56
- Underwater archaeology55
- Powder magazines49
- Hurricane damage45
- Ships41
- Tourists40
- Barracks37
- Cemeteries37
- Harbors--Traffic control35
- Historical geography--Maps35
- Illustrations33
- United States--History--Revolution, 1775-178332
- Military architecture31
- Museums31
- Buildings30
- Flags30