49. '86/1 XII (D 175) Kuwait Oil' Contributor: Arabian Development Syndicate Limited (correspondent)Arabian American Oil Company (correspondent)Kuwait Oil Company (correspondent)Political Agent, Kuwait (correspondent)Emir of Kuwait (correspondent)Petroleum Division (correspondent)Frank Holmes (correspondent) Date: 1941/1946 Language: EnglishArabic Geographic region: Kuwait Extent: 1 volume (227 folios)
50. '86/12-III CONFIDENTIAL A. 85 P.C.L. MUSCAT' Contributor: India Office (correspondent)Political Agent, Bahrain (correspondent)Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent)Petroleum Development Oman (correspondent)Political Agent and Consul, Muscat (correspondent) Date: 1937/1944 Language: EnglishArabic Geographic region: OmanMuscatDhofar Extent: 1 volume (278 folios)
51. '209 English-Arabic School. Educational Activities.' Contributor: Director of Education, Iraq (correspondent) Date: 1919/1919 Language: EnglishArabic Extent: 1 file (66 folios)
52. 'B. 9, 14/115 VI. Abu Musa Oxide, 1910 to 1911: British Memorandum; German Memorandum; Colonel Cox's Notes' Contributor: Native Agent, Lingah (correspondent)German Vice-Consul, Bushire (correspondent) Date: 1910/1911 Language: EnglishFrenchArabic Geographic region: Abu Musa Island Extent: 1 volume (381 folios)
53. 'B. 56. Confidential 86/14 - v. BAHRAIN UNALLOTED AREA.' Contributor: India Office (correspondent)Petroleum Concessions Limited (correspondent)Political Agent, Bahrain (correspondent)Indian Political Service, Secretary to the External Affairs Department (correspondent)King of Bahrain (correspondent) Date: 1939/1939 Language: EnglishArabic Geographic region: Hawar IslandsBahrain Extent: 1 volume (251 folios)
54. 'D 93 KUWAIT OIL A.P.O.C. (82/1 VI) and E. & G.S. (86/1 IV)' Contributor: Political Agent, Kuwait (correspondent)Emir of Kuwait (correspondent)Eastern and General Syndicate Limited, oil company (correspondent)Secretary of State for the Colonies, United Kingdom (correspondent)Government of India (correspondent) Date: 1933/1933 Language: EnglishArabic Geographic region: BahrainKuwaitSitrahSitraNew DelhiSharjah Extent: 1 volume (259 folios)
55. 'D.142 CONFIDENTIAL. 86/13-i. P.C.L. KUWAIT.' Contributor: India Office (correspondent)Petroleum Concessions Limited (correspondent)Political Agent, Kuwait (correspondent)Secretary of State for Foreign Affairs (correspondent)HM Ambassador to Saudi Arabia (correspondent)Secretary of State for India and Burma, United Kingdom (correspondent) Date: 1936/1938 Language: EnglishArabic Geographic region: Kuwait-Saudi Arabia Neutral ZoneKuwait Extent: 1 volume (233 folios)
56. 'F-81 82/1-V A.P.O.C. Kuwait' Contributor: Political Agent, Kuwait (correspondent)Emir of Kuwait (correspondent)Eastern and General Syndicate Limited, oil company (correspondent)Colonial Office (correspondent)Secretary of State for India, United Kingdom (correspondent) Date: 1932/1933 Language: EnglishArabic Geographic region: Kuwait Extent: 1 volume (193 folios)
57. 'F-82 82/27 I: QATAR OIL' Contributor: Political Agent, Bahrain (correspondent)Colonial Office (correspondent)Secretary of State for the Colonies, United Kingdom (correspondent)Emir of Qatar (correspondent) Date: 1925/1934 Language: EnglishArabic Geographic region: Trucial States Extent: 1 volume (361 folios)
58. ‘I/10. Confidential papers re Agency staff.’ Contributor: Persian Gulf Political Residency, First Assistant Resident (correspondent) Date: 1904/1928 Language: EnglishArabic Extent: 1 file (215 folios)
59. 'Vol-B.44. Confidential 86/7-vii. P.C.L. TRUCIAL COAST' Contributor: India Office (correspondent)Petroleum Concessions Limited (correspondent)Political Agent, Bahrain (correspondent)Native Agent, Trucial Coast, Sharjah (correspondent) Date: 1937/1937 Language: EnglishArabicPersian Geographic region: Sharjah Extent: 1 volume (198 folios)
60. ‘X. PASSPORTS AND PROTECTION. (2) Impounding of British passports by local Customs.’ Date: 1938/1938 Language: EnglishArabic Extent: 1 file (6 folios)