Subject
- Agriculture24
- Anglo-Persian War (1856-1857)24
- Blockades24
- Finance24
- Military administration24
- Tours24
- Customs administration22
- Couriers21
- Imports21
- International trade21
- Jurisdiction21
- Railway construction21
- Arms control20
- Building construction20
- Exports20
- Foreign affairs20
- Maps20
- Payment20
- Revenue20
- Building maintenance19