Subject
- Travel55
- Oil54
- Homicide53
- Political affairs52
- Shipwrecks52
- Postal services50
- Customs administration49
- Land ownership49
- Prisoners of War49
- Arms sales48
- Border disputes48
- Military campaigns48
- River navigation48
- Military personnel47
- Railway construction47
- Arms traffic46
- Tours46
- Anglo-Persian War (1856-1857)45
- Fortifications45
- Loans45