This category has the following 6 subcategories, out of 6 total.
- 19th-century forts in England (2 C, 8 P)
- Martello towers (32 P)
- Séré de Rivières system (72 P)
Pages in category "19th-century fortifications"
The following 44 pages are in this category, out of 44 total. This list may not reflect recent changes.