Subject
- Consuls17
- Geographical exploration17
- Intelligence17
- Lighthouses17
- Marine navigation17
- Arab Revolt (1916-1918)16
- Battles16
- Geography16
- Maritime transport16
- Military aircraft16
- Muslim pilgrims and pilgrimages16
- Pearl industry and trade16
- Plague16
- Police16
- Prisoners16
- Protectorates16
- Territorial rights16
- Borders15
- Buoys15
- Government spending15