Subject
- Military operations36
- Sovereignty20
- Bilateral relations10
- Kings and rulers--Succession8
- Political affairs8
- Telegraph lines8
- Frontiers7
- Naval operations7
- Subsidies7
- Trade (practice)7
- Leases (documents)6
- Territorial disputes6
- Assassination5
- Diplomacy5
- Slave trade5
- Bilateral agreements4
- Compensation4
- Famines4
- General Treaty with the Arab Tribes of the Persian Gulf (1820)4
- Nejd Expedition (1871-1872)4