51. 'Arabic Bound File No 5' Date: 1900/1905 Language: EnglishArabicPersian Extent: 1 file (205 folios)
52. 'Arabic/English File No. 7' Date: 1897/1903 Language: EnglishArabicPersian Extent: 1 file (287 folios)
53. 'File 1/A/23 I Activities of the Persian Navy' Date: 1933/1937 Language: EnglishArabicPersian Extent: 1 volume (254 folios)
54. 'File 5/1 III Kuwait Oil Company' Contributor: Anglo-Iranian Oil Company Limited (correspondent)Emir of Kuwait (correspondent)Political Resident, Persian Gulf (correspondent) Date: 1924/1931 Language: EnglishArabicPersianFrench Extent: 1 Volume (379 folios)
55. 'File 16/00 Letters of good offices' Date: 1928/1931 Language: EnglishArabicPersian Extent: 1 file (136 folios)
56. 'File 5/193 I (B 23) Slavery in the Gulf' Date: 1924/1929 Language: EnglishArabicPersian Extent: 1 volume (216 folios)
57. 'File 20/1- Vol: III Ceremonial and Celebrations: New Year's and King's Birthday's Celebrations.' Contributor: Adviser to the Government of Bahrain (correspondent)Shaikh Hakim of Bahrain Ḥamad bin 'Īsá Āl Khalīfah (correspondent) Date: 1935/1939 Language: EnglishArabicPersian Extent: 1 file (283 folios)
58. 'File 23/1 Acquisition of property in Bahrain by Shaikh Muhammad ibn `Isa Al Khalifa; Hindu Bathing Pool' Contributor: Bahrain Political Agency (creator) Date: 1928/1929 Language: EnglishArabicPersian Extent: 1 file (14 folios)
59. ‘File 16/23 [I] Miscellaneous. Payment of Military pensions from the Bahrain Treasury and other correspondence regarding.’ Contributor: Controller of Military Pension Accounts, Southern and Western Command (correspondent)Controller of Military Pension Accounts, Lahore (correspondent) Date: 1927/1934 Language: EnglishPersian Extent: 1 file (187 folios)
60. 'File 17/25 Stationery purchased from firms' Contributor: The Times Printing and Publishing Co Ltd (correspondent)Thacker and Company Ltd (correspondent)A Webster and Company (correspondent)Gale and Polden Ltd (correspondent)Secretary to the Political Resident in the Persian Gulf (correspondent)Political Agent, Trucial Coast (correspondent)British Consul, Khorramshahr (correspondent) Date: 1942/1945 Language: EnglishPersian Extent: 1 file (185 folios)