Subject
- First World War (1914-1918)17
- Mesopotamian Campaign (1914-1918)13
- Imperialism5
- International relations5
- Concessions, Oil, Iraq4
- Foreign relations4
- International trade4
- Boundaries3
- Colonial administration3
- Petroleum industry3
- Trade regulation3
- Mandates2
- Military administration2
- Military occupation2
- Organic law2
- Postage stamps2
- Prisoners of War2
- Railway construction2
- Rebellions2
- Refugees2