Subject
- River navigation[remove]22
- Administration3
- Cars3
- Frontiers2
- Railway construction2
- State visits2
- Armed forces1
- Boundary disputes1
- Canal navigation and inland waterways legislation1
- Concessions1
- Customs duty1
- Diplomacy1
- First World War (1914-1918)1
- Foreign relations1
- Harbours1
- Irrigation1
- Mail steamers1
- Maritime transport1
- Mesopotamian Campaign (1914-1918)1
- Shipping1