Subject
- Diplomacy795
- Trade (practice)409
- Treaties366
- Slave trade356
- Bilateral relations354
- Russo-Persian War (1826-1828)280
- Colonial administration277
- Reports276
- Second World War (1939-1945)272
- Military operations270
- Military intelligence260
- Marine navigation199
- Frontiers188
- International relations186
- Weather171
- Ships logs163
- First World War (1914-1918)161
- Piracy159
- Tribal relations144
- Political intelligence138