| skos:altLabel | - Fort
- block house
- small fort
- pillboxe
- pillboxes
- forts
- garrison house
- artillery fort
- Strong House
- Block House
- Blockhouse#Concrete_blockhouses
- Platoon houses
- artillery fortification
- block-house
- blockhaus
- blockhouse
- blockhouse fort
- blockhouse line
- blockhouse lines
- blockhouses
- blockhouses (''blocaos'')
|