13. ‘File 2/32 ACQUISITION OF PERMANENT AIR FACILITIES’ Date: 1944/1948 Language: English Geographic region: Masirah
14. PZ 6598/38 'Muscat and Oman: survey of the channel inside Masirah Island off the coast of Oman' Date: 1938/1938 Language: English Geographic region: Masirah
15. Coll 30/191 ‘Persian Gulf. Defence of the Persian Gulf. Establishment of aircraft facilities at Socotra and Salalah (Muscat) and Assembly Port at Masira Bay.’ Date: 1939/1946 Language: English Geographic region: SalalahJiddah IslandMasirah
16. Coll 5/6 ‘Muscat-Aden Air Route: Survey of Masirah Island’ Date: 1931/1938 Language: English Geographic region: ShuwamiyaSurMasirahRas al Khaimah
17. ‘File 2/15 ANNEX PETROL DUMP & LANDING GROUND AT MASIRAH.’ Date: 1937/1937 Language: English Geographic region: Umm RasasMasirah
18. ‘File 2/40 II AIR FACILITIES (CIVIL) MUSCAT. VOLUME II’ Date: 1946/1948 Language: English Geographic region: SalalahMasirah
19. 'File 2/21 R.A.F. landing ground at Beit al Falaj (Petrol Store at Muscat).’ Date: 1938/1948 Language: English Geographic region: Bait al-FalajMasirah
20. 'File 2/6 KARACHI-ADEN AIR ROUTE. II-A/8' Date: 1942/1943 Language: English Geographic region: SalalahMasirahRas al-Hadd