97. ‘File 28/70 Navicert Rules, Regulations and Instructions’ Date: 1940/1946 Language: English Geographic region: Persian Gulf
98. ‘File 28/71 Navicert = routine correspondence’ Date: 1941/1946 Language: English Geographic region: Persian GulfBandar-e ʻAbbās
99. ‘File 28/73 Tele-communications in time of war’ Date: 1938/1939 Language: English Geographic region: Jedda
100. ‘File 28/75 Defence policy for the Gulf’ Date: 1938/1939 Language: English Geographic region: Persian Gulf
101. ‘File 28/77 War – Reserve of spare parts for oil companies to be kept at Bahrain’ Date: 1939/1939 Language: English
102. ‘File 28/78 Shaikhs of Bahrain and Kuwait’s messages of loyalty and BAPCO’s [Bahrain Petroleum Company’s] offer of help at outbreak of war – Shaikh’s gift’ Date: 1939/1939 Language: English
103. 'File 61/11 IX (D 159) Nejd-Hejaz Miscellaneous' Date: 1939/1942 Language: English Geographic region: Al KharjSyriaUnited States of America
104. 'File No. 17/17 Direct Wireless Communication by the California Arabian Standard Oil Company With America.' Date: 1940/1942 Language: English Geographic region: Saudi Arabia
105. 'File 11/34 III Muscat War Subsidy and Defence of Arab Side of Gulf' Date: 1939/1941 Language: English