1. File 2182/1913 Pt 1 'Persian Gulf Situation in El Katr Policy towards Bin Saud' Date: 1913/1913 Language: English Geographic region: El HassaNejd
2. File 2182/1913 Pt 2 'Persian Gulf Situation in El Katr Policy towards Bin Saud' Date: 1913/1916 Language: English Geographic region: El HassaOjair