2. Coll 5/68 ‘Air route to India: Air facilities on the Arab Coast; Security of the Air Route; emergency landing arrangements’ Date: 1939/1940 Language: English Geographic region: DubaiTrucial CoastSharjahRas al Khayma
4. Coll 5/17 ‘Air Route to India (Arab Coast): Landing grounds at Kalba, Shinas, and Dibah’ Date: 1932/1947 Language: English Geographic region: Kalba
5. Coll 5/18 ‘Air Route to India (Arab Coast): Use of landing grounds by foreign aircraft’ Date: 1932/1941 Language: English Geographic region: Gwadur AerodromeSharjahMuharraq Aerodrome
6. Coll 5/20 ‘Air Route to India – Arab Coast Secn: Negotiations with Trucial Sheikhs’ Date: 1932/1940 Language: English Geographic region: Trucial CoastSharjah
7. Coll 5/77 ‘Muscat: including activities of U.S. Air Force and Pan-American Airways in the Middle East’ Date: 1941/1946 Language: English Geographic region: Salalah AerodromeMiddle EastPersian Gulf
8. Coll 5/1 ‘Persian Gulf Air Routes: Hasa Coast & Flying over Nejd territory — Saudi regulations for the landing of foreign aircraft’ Date: 1931/1937 Language: English Geographic region: Saudi ArabiaHasa
9. Coll 5/10 ‘Air Route to India: Persia; Arabian Coast Route; Negotiations with Arab Sheikhs’ Date: 1931/1932 Language: English Geographic region: PersiaTrucial CoastHejaz
10. Coll 5/11 ‘Air Route to India: Arab Coast Route – Emergency Landing Ground at Qatar’ Date: 1932/1934 Language: English Geographic region: Qatar
11. Coll 5/16 ‘Air Route to India: Occasional landings at Koweit – Agreements between the Sheikh of Koweit and British Overseas Airways Corporation’ Date: 1932/1948 Language: English Geographic region: Kuwait
12. Coll 5/32 ‘Air-route to India (Arab Coast): Possibility of establishing a landing ground on Das Island’ Date: 1934/1934 Language: English Geographic region: Das Island