13. 'File 35/84 II A. 6. Mascat ultimatum of Feb 1899' Date: 1899/1899 Language: EnglishArabicFrench Geographic region: Bandar Jissah Extent: 1 volume (242 folios)
14. 'File 35/85 I A 8. Muscat: French Flag Question' Date: 1892/1905 Language: EnglishArabicFrench Geographic region: Sur Extent: 1 volume (249 folios)
15. 'File 35/85 III A 10 French Flag Question' Date: 1905/1906 Language: EnglishArabicFrench Extent: 1 volume (290 folios)
16. ‘File 35/87 V (A 35) Muscat reforms, customs, finances, etc.’ Date: 1921/1924 Language: EnglishArabicFrench Extent: 1 volume (279 folios)
17. 'File 53/83 II (D 105) Smuggling Between 'Iraq + Kuwait' Date: 1934/1934 Language: EnglishArabicFrench Extent: 1 volume (246 folios)
18. 'File 53/83 VIII (D 153) Kuwait-Iraq Smuggling' Date: 1939/1940 Language: EnglishArabicFrench Extent: 1 volume (225 folios)
19. 'File 61/20 I (D 75) Meeting between Kings of Iraq and Nejd' Contributor: British Legation to Saudi Arabia (correspondent)Senior Naval Officer in the Persian Gulf (author)HM Ambassador to Iran (correspondent)Colonial Office (correspondent) Date: 1930/1930 Language: EnglishArabicFrench Extent: 1 volume (208 folios)
20. '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)
21. '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)
22. 'File XXXVI/1 CEREMONIALS, HONOURS & REWARDS. - SALUTES. 1887-1926.-' Date: 1873/1926 Language: EnglishArabicFrench Extent: 1 volume (106 folios)
23. 'File 13/6 Karachi Conference on arms traffic; arms smuggling incidents' Contributor: British India Steam Navigation Company Limited (correspondent)High Commissioner, Iraq (correspondent)Shaikh Hakim of Kuwait Mubārak bin Ṣabāḥ Āl Ṣabāḥ (correspondent) Date: 1918/1924 Language: EnglishArabicFrench Extent: 1 file (225 folios)