25. ‘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)
26. ‘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)
27. 'FILE-B/8 CORRESPONDENCE REGARDING CLAIMS AGAINST MEMBERS OF AL KHALIFAH' Date: 1932/1934 Language: EnglishArabicPersian Extent: 1 file (31 folios)
28. Coll 5/53 ‘Afghanistan: Employment of British nationals in various branches of the Afghan air services; Air instructors’ contracts’ Contributor: Hawker Aircraft Limited (correspondent)Rolls Royce Limited (correspondent)Air Ministry (correspondent)Foreign Office (correspondent)HM Ambassador to Afghanistan (correspondent) Date: 1935/1943 Language: EnglishPersian Geographic region: AfghanistanKabul Extent: 1 file (596 folios)
29. ‘File 16/45 Case of certain thefts from the Political Agency, Bahrain’ Contributor: Political Agent and Consul, Muscat (correspondent) Date: 1933/1947 Language: EnglishPersian Extent: 1 file (29 folios)
30. 'File 1/13 I Major Head:- Political. Sub:- Head:- Persian pretensions to Bahrain.' Date: 1922/1931 Language: EnglishArabicPersian Geographic region: Persia Extent: 1 volume (341 folios)
31. 'Persian representation at Muscat' Date: 1914/1921 Language: EnglishPersian Extent: 1 file (119 folios)
32. '14/115 III B. 6 Abu Musa; Hassan Samayeh's dealings with the Germans' Contributor: German Vice-Consul, Bushire (correspondent) Date: 1907/1908 Language: EnglishArabicGermanPersianFrench Geographic region: Abu Musa IslandGermany Extent: 1 volume (255 folios)
33. 'File 3/8 Books etc: Transliteration of vernacular names and places.' Date: 1903/1932 Language: EnglishPersianArabicPashto Extent: 1 file (81 folios)
34. 'CONFIDENTIAL 86/7-I B.34. OIL TRUCIAL COAST' Contributor: D'Arcy Exploration Company Limited (correspondent)British Vice-Consul, Khorramshahr (correspondent)India Office (correspondent)Political Agent, Bahrain (correspondent)Senior Naval Officer in the Persian Gulf (correspondent) Date: 1935/1935 Language: EnglishArabicPersian Geographic region: Abu DhabiRas al Khaimah Extent: 1 volume (271 folios)
35. Copies and Translations of letters in Persian sent to Lewis Pelly. Date: 1860/1860 Language: PersianEnglish Extent: 1 file (12 folios)
36. Coll 28/23 ‘Relations with H.M.G: Negotiations 1928–31 Withdrawal of I.E.T Dept.’ Contributor: British Legation, Tehran (correspondent)Indo-European Telegraph Company (correspondent)Indo-European Telegraph Department (correspondent)Cable and Wireless Ltd (correspondent) Date: 1931/1936 Language: EnglishFrenchPersian Geographic region: PersiaPersian GulfHenjam Extent: 1 volume (407 folios)