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)
