1. '86/21 - III B.65. Trucial Hinterland Exploration' Date: 1939/1945 Language: English Geographic region: BaraimiJebel HafitMuscatJebel Faiyah
2. 'File 38/15 Oil concessions in Arabia and the Gulf (Muscat)' Date: 1933/1949 Language: English Geographic region: BuraimiSaudi ArabiaRubʻ al KhālīOman