1. 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
2. Coll 5/30 ‘Air Route to India (Arab Coast): Procedure in connection with provision of civil aerodromes etc; Agreements between H.M.G. and local rulers along the Arabian Coast; Special authorisations’ Date: 1933/1939 Language: English Geographic region: Gwadur AerodromeBahrainKuwait
3. Coll 5/33 ‘Air-route to India: Landing ground at Gwadur; Muscat Civil Air Agreement’ Date: 1933/1938 Language: English Geographic region: Gwadur AerodromeJīwani
4. Coll 5/33(2) ‘AIR ROUTE TO INDIA: MUSCAT CIVIL AIR AGREEMENT (NEGOTIATIONS FOR NEW AGREEMENT)’ Date: 1945/1948 Language: English Geographic region: Gwadur AerodromeMasirah Aerodrome
