25. ‘Expedition of the Imaum of Muscat against Sevee, and His Highness' right to Bahrain’ Date: 1845/1845 Language: English Geographic region: Bahrein
26. 'Confidential 86/14-ii B.47 PETROLEUM CONCESSIONS LTD. BAHRAIN' Date: 1936/1938 Language: English Geographic region: Fasht DibalHawar IslandsZubarahBahrain
29. ‘Affairs of the Persian Gulf vol 1’ Date: 1844/1844 Language: English Geographic region: MuscatShirazBunder Abbas
35. 'File 8/61 Muscat State Affairs: Fujerah' Date: 1939/1939 Language: English Geographic region: Fujairah