Subject
- First World War (1914-1918)34
- Colonial administration32
- Mesopotamian Campaign (1914-1918)22
- Military occupation17
- International relations11
- Administration9
- Agriculture9
- Constitutions8
- Revenue8
- Concessions, Oil, Iraq7
- Imperialism7
- Military administration7
- Refugees7
- Tribes7
- Boundaries6
- Foreign relations6
- Military intelligence6
- Petroleum industry5
- Repatriation5
- Archaeology4