1. '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)
2. ‘X. PASSPORTS AND PROTECTION. A. PASSPORTS. (1) Persian passports regulations effecting Muscat subjects.’ Contributor: Government of Iran, Pahlavi dynasty (correspondent; subject) Date: 1928/1929 Language: EnglishArabicPersianFrench Extent: 1 file (54 folios)
3. 'Assurances, Undertakings and Agreements, Etc., Made by Certain Chiefs and Khans of Southern Persia with the British Government and Certain British Trading Companies' Contributor: Anglo-Iranian Oil Company Limited (author)William Knox D'Arcy (correspondent) Date: 1926/1926 Language: EnglishPersianFrench Geographic region: Persia Extent: 1 volume (52 folios)
4. ‘File 5/6 I Brussels Conference and general rules and procedure on slave traffic’ Contributor: Bahrain Political Agency (correspondent)Native Agent, Trucial Coast, Sharjah (correspondent)James Orton (correspondent)Francis Warden (correspondent) Date: 1892/1925 Language: EnglishFrenchArabicPersian Geographic region: BūshehrAbū-ShahrHormuz Isle Extent: 1 volume (137 folios)
5. 'File V/11 Clearance Papers for Sailing Craft Leaving Bahrain' Contributor: Bahrain Political Agency (creator)Political Agent, Bahrain (creator) Date: 1916/1917 Language: EnglishFrenchArabicPersian Geographic region: Tangestān Extent: 1 file (76 folios)
6. 'File W/4 Hostilities in Persia: Tangistan Blockade; Confiscation of Tea for Tangistan' Contributor: Qāḍī of Bahrain (correspondent)King of Bahrain (correspondent)Bahrain Political Agency (creator)Political Agent, Bahrain (creator)Wilhelm Wassmuss (correspondent)Ra'is Ali Dalvari (correspondent)Qashqai (Tribe) (correspondent)Tangsiri (Tribe) (correspondent) Date: 1915/1918 Language: EnglishFrenchArabicPersian Extent: 1 file (203 folios)
7. '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)
8. 'File 19/109 I (C 12) Bahrein Chief's relations with British Govt. and other Powers' Contributor: James Orton (correspondent)Francis Warden (correspondent)Hugh Weightman (correspondent) Date: 1903/1912 Language: EnglishFrenchPersianArabic Geographic region: BahrainBūshehr Extent: 1 volume (195 folios)
9. 'File 19/109 III (C 22) Bahrain - Relations with Foreign Powers, Etc' Contributor: James Orton (correspondent)Francis Warden (correspondent)Hugh Weightman (correspondent) Date: 1922/1925 Language: EnglishPersianFrench Geographic region: BahrainBūshehr Extent: 1 volume (243 folios)
10. Vol 166: 1850 Persia Contributor: Native Agent, Shiraz (correspondent) Date: 1850/1850 Language: EnglishFrenchPersian Geographic region: Sheraz Extent: 1 volume, 94 items (226 folios)
11. Coll 28/20 ‘Persia Judicial. Civil, Commercial + Penal Code, and various laws.’ Contributor: Government of Iran, Pahlavi dynasty (author) Date: 1927/1940 Language: FrenchEnglishPersian Extent: 1 volume (741 folios)
12. 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)