Subject
- Arms sales1
- Arms traffic1
- Balance of trade1
- Bilateral relations1
- Colonial administration1
- Desert warfare1
- Exports1
- Harbour and coastal engineering1
- Imports1
- Legal documents1
- Legal procedure1
- Marine navigation1
- Military intelligence1
- Military maps1
- Political information1
- Postal services1
- Slavery1
- Surveys1
- Trade statistics1