37. 'Treaties and Agreements between the British Government and Certain Arab Rulers and Agreements between the Said Rulers inter se Affecting the British Government' Date: 1926/1926 Language: English Geographic region: نجدالكويتقطرالجفيرالزلاقرأس تنورهكوهماندزلاق
38. ‘Negotiations with the Ex-King of Cabool and the Maha Rajah Runjeet Singh’ Date: 1838/1838 Language: English Geographic region: SindePersiaCeylonAfghanistan
39. 'File 35/86 I A 32 Muscat Commercial Treaty, 1891: revision of 1905' Date: 1905/1922 Language: English
40. 'File 35/86 II A 45 Muscat - Commercial Treaty of 1891 and revision of treaty 1922' Date: 1922/1931 Language: English
47. 'File 5/C Boundary questions: attacks on Ikhwan; dispute between Shaikh Salim and Ibn Sa`ud' Date: 1919/1920 Language: English Geographic region: IraqBaghdad
48. 'Treaties and Undertakings etc in force between the British Government and the Rulers of Bahrain, 1820-1914' Date: 1914/1919 Language: English Geographic region: BahrainSitrahSitra