1. '86/12-III CONFIDENTIAL A. 85 P.C.L. MUSCAT' Date: 1937/1944 Language: English Geographic region: OmanMuscatDhofar
2. '['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
3. 'General agreement... [between] His Majesty's Government in the United Kingdom and Petroleum Development (Oman and Dhofar) Limited' Date: 1938/1938 Language: English Geographic region: Dhofar
5. 'File 35/64 Mineral deposits in Dhofar' Date: 1943/1943 Language: English Geographic region: Dhofar
6. 'CONFIDENTIAL 86/12-ii A.75. P.C.L. MUSCAT' Date: 1937/1937 Language: English Geographic region: OmanMuscatDhofar
9. 'Précis of Maskat affairs, 1892-1905; In two parts: Part I 1892-1898; Part II 1899-1905 By J A Saldanha, BA, LL B' Date: 1906/1906 Language: English Geographic region: OmanMuscatDhofar
10. 'File XXIII/1 Travels in Oman, Travels in Oman, 1901-1908' Date: 1901/1908 Language: English Geographic region: OmanDhufar
11. 'File [XIV A/1 V] Oil concessions in Muscat' Date: 1939/1946 Language: English Geographic region: OmanDhofar
12. 'File No. 14/5 MINERAL DEPOSITS IN DHOFAR' Date: 1911/1933 Language: English Geographic region: Dhofar
