1. '['Pre-Emption'] Agreement... between His Majesty's Government in the United Kingdom... and Petroleum Development (Oman and Dhofar) Limited' Date: 1938/1938 Language: English Geographic region: Sultanate of Muscat and OmanDhofar
2. 'File 38/15 Oil concessions in Arabia and the Gulf (Muscat)' Date: 1933/1949 Language: English Geographic region: BuraimiSaudi ArabiaRubʻ al KhālīOman
3. 'File 82/1 III (F 64) Prospecting licenses for Kuwait, Bahrain, Nejd, Trucial Coast and Oman' Date: 1923/1925 Language: English Geographic region: BahrainKuwait
4. 'File 82/1 II (F 53) A.P.O.C., and Oil Concession - Arab Coast' Date: 1923/1924 Language: English Geographic region: البحرينالكويتنجدكوهماندراس تنورهرأس تنورهزلاق
