75. ‘File 28/61 War. BAPCO and A.I.O.C. – Attitude of employees regarding enlistment in armed forces at outbreak of war’ Date: 1939/1939 Language: English
76. ‘File 28/64 Exemptions from customs dues on oil companies’ stores’ Date: 1942/1943 Language: English Geographic region: Qatar
77. ‘File 28/77 War – Reserve of spare parts for oil companies to be kept at Bahrain’ Date: 1939/1939 Language: English
78. 'File 39/12 APOC's oil storage on Trucial Coast' Date: 1933/1950 Language: English Geographic region: Trucial Coast
79. 'File 39/22 Bahrain pearling banks in strip of seabed leased by Trinidad Leaseholds Ltd' Date: 1947/1948 Language: English Geographic region: Ras Tanura
80. 'File 39/23 II Negotiations for seabed oil in Bahrain, Trucial Coast and Qatar' Date: 1949/1950 Language: English Geographic region: Trucial CoastQatar
83. 'File XIV A/1 IV Oil Concession in Muscat' Date: 1938/1939 Language: English Geographic region: Oman
84. 'File [XIV A/1 V] Oil concessions in Muscat' Date: 1939/1946 Language: English Geographic region: OmanDhofar