1. 'File 73/7 II (D 22) Status of Koweit [Kuwait] - Baghdad railway, Anglo Turkish negotiations' Contributor: Ottoman Bank (correspondent)HM Ambassador to Iran (correspondent)Anglo-Iranian Oil Company Limited (correspondent)Assistant Under-Secretary of State in Charge of Near and Middle Eastern Affairs (correspondent)Transatlantic Trust Company (correspondent) Date: 1911/1912 Language: EnglishFrenchArabic Geographic region: BahrainQatarShatt al ʻArab Extent: 1 volume (268 folios)
2. 'File 73/7 III (D 24) Status of Kuwait & Anglo-Turkish negotiations' Contributor: Board of Admiralty (correspondent)HM Ambassador to France (correspondent)HM Ambassador to Germany (correspondent) Date: 1912/1913 Language: EnglishArabicFrench Geographic region: BahrainQatarShatt al ʻArab Extent: 1 volume (355 folios)
3. 'File 19/191 I (C 27) Bahrain, Persian Claim To' Contributor: James Orton (correspondent)Francis Warden (correspondent)Hugh Weightman (correspondent) Date: 1927/1928 Language: EnglishArabicFrench Geographic region: BahrainBūshehr Extent: 1 volume (235 folios)
4. '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)
5. 'File 19/109 V (C 32) Bahrain Relations with other Foreign Powers' Contributor: James Orton (correspondent)Francis Warden (correspondent)Hugh Weightman (correspondent) Date: 1929/1931 Language: EnglishFrenchArabic Geographic region: KhorramshahrBahrainBūshehr Extent: 1 volume (271 folios)
6. Coll 30/78 'Bahrein Nationality Law. Bahrein Property Law: Registration of certain foreigners in Bahrein by the Agency. Ownership of property by foreigners in Bahrein (King's Reg. No. 1 of 1937).' Contributor: Foreign Office (correspondent)Political Resident, Persian Gulf (correspondent)District Magistrate, Bahrain (correspondent) Date: 1933/1947 Language: EnglishFrenchArabic Geographic region: Bahrein Extent: 1 file (446 folios)
7. PZ 5749/39(1) 'Propaganda: Articles forwarded to Persian Gulf, Kabul & Katmandu for dissemination' Contributor: HM Ambassador to Afghanistan (correspondent)Ministry of Information (correspondent)District Magistrate, Bahrain (correspondent)Publicity Office, Persian Gulf, Bahrain (correspondent) Date: 1939/1941 Language: EnglishFrenchArabic Geographic region: AfghanistanBahreinKabul Extent: 1 file (357 folios)