Subject
- Walls72
- Fort Moultrie, Battle of, S.C., 177671
- Painting70
- National Underwater and Marine Agency67
- Submarine disasters64
- Underwater archaeology63
- Fort Sumter (Charleston, S.C.)50
- Powder magazines49
- Hurricane damage45
- Ships43
- Tourists40
- Barracks37
- Cemeteries37
- Illustrations37
- Harbors--Traffic control35
- Historical geography--Maps35
- United States--History--Revolution, 1775-178334
- Flags32
- Military architecture31
- Museums31