49. 'File C/2 Miscellaneous correspondence with the Diplomatic Representative [Saudi Arabia]' Date: 1934/1934 Language: EnglishArabic Extent: 1 file (6 folios)
50. Coll 17/15(3) 'Relations with Persia: Treaty of Friendship and Arbitration' Contributor: HM Ambassador to Iraq (correspondent)HM Ambassador to Iran (correspondent)Indian Political Service, External Affairs Department (correspondent)Foreign Minister (correspondent) Date: 1937/1939 Language: EnglishArabic Geographic region: Iran Extent: 1 file (37 folios)
51. 'File 10/1 XI Bahrain Oil Concession' Contributor: Bahrain Political Agency (creator) Date: 1934/1935 Language: EnglishArabic Extent: 1 volume (245 folios)
52. File [10/4] British relations with Ibn Sa`ud: title of Sultan of Najd; surrender of Hail; payment of British subsidies; Ikhwan attacks on Iraq frontier and Kuwait; institution of Najd passport Date: 1921/1924 Language: EnglishArabic Extent: 1 file (278 folios)
53. 'File 1/42 Political Officer, Trucial Coast' Date: 1939/1950 Language: EnglishArabic Extent: 1 file (366 folios)
54. ‘File 29/3i Food Supplies – Food Control and Rationing & GENERAL’ Contributor: Adviser to the Government of Bahrain (correspondent)Bahrain Political Agency, Commercial Advisory Committee (author) Date: 1942/1944 Language: EnglishArabic Extent: 1 file (288 folios)
55. 'File XX/5 Botanical information about Koweit.' Contributor: Indian Museum, Calcutta (correspondent) Date: 1905/1915 Language: EnglishArabic Geographic region: Zor Hills Extent: 1 file (80 folios)
56. File 9/2 II ‘No. 9/2 Vol. II Criminal Cases’ Contributor: Emir of Kuwait (correspondent) Date: 1919/1926 Language: EnglishArabicPersian Extent: 1 file (209 folios)
57. ‘1/1 Volume II Koweit Saudi relations’ Contributor: Emir of Kuwait (correspondent)King of Saudi Arabia (correspondent)HM Ambassador to Saudi Arabia (correspondent)HM Chargé d'Affaires to Jeddah (correspondent)Political Resident, Persian Gulf (correspondent) Date: 1933/1935 Language: EnglishArabic Geographic region: Saudi Arabia Extent: 1 volume (261 folios)
58. ‘File 12/14 Shipping. Miscellaneous accidents between dhows and steamers’ Contributor: Adviser to the Government of Bahrain (correspondent)British Consul, Khorramshahr (correspondent)Senior Naval Officer in the Persian Gulf (correspondent) Date: 1943/1949 Language: EnglishArabicPersian Geographic region: DubaiKhorramshahrSharjah Extent: 1 file (28 folios)
59. 'File 19/163 II (C 77) Nejd-Bahrain Relations' Contributor: James Orton (correspondent)Francis Warden (correspondent) Date: 1932/1939 Language: EnglishArabic Geographic region: Kingdom of HejazHidjazBahrainBūshehrAbū-ShahrHormuz Isle Extent: 1 volume (207 folios)
60. 'File 4/26 Izzat Jaffer' Contributor: Aide-de-Camp and Private Secretary to the Emir of Kuwait (correspondent; subject) Date: 1940/1949 Language: EnglishItalianArabic Extent: 1 file (135 folios)