| Image | 9 |
| Text | 1 |
| Porter, John L. (John Luke), 1813-1893--Notebooks, sketchbooks, etc. | |
| United States--History--Civil War, 1861-1865 | 9 |
| Armored vessels--Confederate States of America | 8 |
| Merrimack (Frigate) | 5 |
| Virginia (Ironclad) | 5 |
| Naval architecture--United States | 2 |
| Albemarle (Ironclad ram) | 1 |
| More |