1. '86/21 - III B.65. Trucial Hinterland Exploration' Date: 1939/1945 Language: English Geographic region: BaraimiJebel HafitMuscatJebel Faiyah
2. 'Negotiations with Ibn Saud regarding Boundaries of Saudi Arabia' Date: 1950/1950 Language: English Geographic region: MuscatOman
3. 'File 38/15 Oil concessions in Arabia and the Gulf (Muscat)' Date: 1933/1949 Language: English Geographic region: BuraimiSaudi ArabiaRubʻ al KhālīOman
4. ‘File XXVIII/9 Internal Politics and Relations with Oman Sohar, Sharaqiah, Nizwa and Baraimi News. 1925 to 1931.’ Date: 1925/1931 Language: English Geographic region: الشرقيةنزوىعبريصحارالبريميالظاهرةالجبل الأخضرعُمان المُتصالحة