Subject
- Topography[remove]10
- Military intelligence3
- Anglo-Persian War (1856-1857)2
- Diplomacy2
- Fortifications2
- Military strategy2
- Military supply2
- Aerial photographs1
- Anchorage1
- Boundaries1
- Climate1
- Geology1
- Harbours1
- Human geography1
- Hydrographic surveying1
- Hydrology1
- Landing places1
- Maps1
- Military bases1
- Military communications1