Subject
- Concessions126
- Petroleum industry123
- Boundaries122
- Compensation122
- Railways121
- Communication117
- Medicine--Early works to 1800116
- Foreign relations113
- Military administration111
- Boundary disputes108
- Ships108
- Astronomy--Early works to 1800107
- Peace treaties107
- Military logistics106
- Shipping105
- Tribes105
- Negotiation102
- Consular services101
- Expenditure101
- Imports101