Subject
- Diplomacy157
- First World War (1914-1918)132
- Second World War (1939-1945)112
- Treaties112
- International relations108
- Bilateral relations101
- Colonial administration93
- Consular services92
- Diplomatic service87
- Reports84
- Frontiers82
- Foreign relations67
- Concessions64
- British63
- Military intelligence61
- Railways56
- Boundaries53
- Civil aviation53
- Expenditure51
- Tribes48