13. ‘Air Navigation Regulations for Civil Aircraft for the Territory of Bahrein, and Conditions governing the use of the Aerodrome at Muharraq approved by His Excellency Sheikh Hamad bin ’Isa Al Khalifah, C.S.I., Ruler of Bahrein.’ Date: 1929/1939 Language: English Geographic region: Muharraq Aerodrome
14. ‘Air navigation regulations for civil aircraft for the territory of Koweit, and conditions governing the use of the aerodrome at Koweit, approved by His Excellency Sheikh Sir Ahmad al-Jabir As-Sabah, KCIE, CSI, Ruler of Koweit.’ Date: 1929/1939 Language: English Geographic region: Kuwait
17. 'File 13/2 VII Air facilities in Arab shaikhdoms' Date: 1945/1946 Language: English Geographic region: QatarTrucial Coast
18. 'File 14/3 Foreign Interests - American (General)' Date: 1944/1949 Language: English Geographic region: HadhramautManamaJeddahSaudi Arabia
19. 'File 21/20 Airways, Private Aviators' Date: 1932/1939 Language: English Geographic region: Persian Gulf
20. 'File 21/25 Imperial Airways, Bahrain: Muharraq Aerodrome' Date: 1934/1936 Language: English Geographic region: Muharraq
22. 'File 21/28 Correspondence regarding flight of Dutch Civil Aircraft Post "JAGEA"' Date: 1933/1933 Language: English
23. 'File 21/29 Proposal regarding aeroplane for Political Agent, Bahrain' Date: 1935/1937 Language: English
24. 'File 21/36 Miscellaneous correspondence with British Overseas Airways Corporation' Date: 1947/1950 Language: English