Subject
- Diplomacy44
- Treaties44
- First World War (1914-1918)37
- Bilateral relations35
- Concessions27
- International relations23
- Boundaries22
- Foreign relations22
- Sovereignty18
- Arms traffic16
- Imperialism16
- Mesopotamian Campaign (1914-1918)16
- Boundary disputes15
- Military occupation15
- Frontiers14
- Loans13
- Legislation12
- Railways12
- Rebellions12
- River navigation12