1. '86/12-III CONFIDENTIAL A. 85 P.C.L. MUSCAT' Contributor: India Office (correspondent)Political Agent, Bahrain (correspondent)Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent)Petroleum Development Oman (correspondent)Political Agent and Consul, Muscat (correspondent) Date: 1937/1944 Language: EnglishArabic Geographic region: OmanMuscatDhofar Extent: 1 volume (278 folios)
2. 'File 38/11 P. C. L. Planes' Contributor: Petroleum Development Oman (correspondent)Adviser to the Government of Bahrain (correspondent)Political Agent and Consul, Muscat (correspondent)Air Officer Commanding, Iraq (correspondent)Emir of Sharjah, Āl Qāsimī dynasty (correspondent)Persian Gulf Political Residency (correspondent)Emir of Dubai, Āl Maktūm dynasty (correspondent)Qatar Petroleum Company (correspondent)Emir of Qatar (correspondent)Indian Political Service, External Affairs Department (correspondent) Date: 1938/1950 Language: EnglishArabic Extent: 1 file (167 folios)
3. 'File 14/1- Vol 6 OIL CONCESSIONS MUSCAT' Contributor: Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent)Petroleum Concessions Limited (correspondent)District Magistrate, Bahrain (correspondent)Political Resident, Persian Gulf (correspondent)Iraq Petroleum Company (correspondent)Petroleum Development Oman (correspondent) Date: 1936/1948 Language: English Geographic region: DhofarOman Extent: 1 file (217 folios)
4. 'File 14/1 III Oil concession in Muscat' Contributor: Petroleum Development Oman (correspondent)Political Resident, Persian Gulf (correspondent)Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent) Date: 1937/1938 Language: English Geographic region: Oman Extent: 1 volume (295 folios)
5. 'File 14/1 PCL termination of Dhufar concession' Contributor: Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent)Political Resident, Persian Gulf (correspondent)Petroleum Development Oman (correspondent) Date: 1950/1951 Language: English Geographic region: OmanDhofar Extent: 1 file (4 folios)
6. 'File 14/5 Mineral deposits in Dhufar' Contributor: Director-General of the Geological Survey of India (correspondent)Political Resident, Persian Gulf (correspondent)Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent)Petroleum Development Oman (correspondent) Date: 1940/1948 Language: English Geographic region: Dhofar Extent: 1 file (202 folios)
7. ‘WILFRED THESIGER’ Contributor: Political Resident, Persian Gulf (correspondent)Political Agent, Trucial Coast (correspondent)Political Agent and Consul, Muscat (correspondent)Petroleum Development Oman (correspondent)Foreign Office (correspondent) Date: 1948/1950 Language: English Geographic region: Abu DhabiOmanEmpty QuarterAl-Buraymī Extent: 1 file (61 folios)
8. Coll 20/18(3) 'Muscat: Muscat Oil Concession: Personnel of Petroleum Concessions Ltd.' Contributor: Persian Gulf Political Residency (correspondent)Petroleum Development Oman (correspondent) Date: 1938/1938 Language: English Extent: 1 file (14 folios)
9. Coll 20/18 'Muscat: Oil: Muscat Commercial Concession' Contributor: Political Resident, Persian Gulf (correspondent)Foreign Office (correspondent)Petroleum Development Oman (correspondent)Admiralty (correspondent)Petroleum Division (correspondent)Indian Political Service, External Affairs Department (correspondent) Date: 1934/1946 Language: English Extent: 1 file (425 folios)
10. Coll 30/110(3) 'Trucial Coast Oil Concessions: Hinterland Exploration and Survey. Trucial Coast Boundaries. Trucial Coast Surveys 1938-9.' Contributor: Petroleum Concessions Limited (correspondent)Political Resident, Persian Gulf (correspondent)Abu Dhabi Company for Onshore Oil Operations (correspondent)District Magistrate, Bahrain (correspondent)Petroleum Development Oman (correspondent)Assistant Political Agent, Bahrain (correspondent)Political Agent and Consul, Muscat (correspondent) Date: 1937/1943 Language: EnglishArabic Geographic region: Trucial CoastBaraimi Extent: 1 file (500 folios)
11. Coll 30/110(4) 'Trucial Coast Oil Concession: Muscat Oil Concession. Hinterland Exploration & Survey.' Contributor: Petroleum Concessions Limited (correspondent)Abu Dhabi Company for Onshore Oil Operations (correspondent)Petroleum Development Oman (correspondent)Iraq Petroleum Company (correspondent) Date: 1945/1948 Language: English Geographic region: Trucial CoastDhofarSultanate of Muscat and Oman Extent: 1 file (336 folios)
