25. 'File 21/38 Correspondence with Gulf Aviation Co. regarding services Bahrain/Doha/Sharjah' Date: 1950/1950 Language: English
26. 'File [IIA/1 III] II. AVIATION. A. CIVIL AVIATION. (1) Civil Air Agreement with Sultan.' Date: 1937/1938 Language: English
30. 'File 2/1 British Consulate Muscat 5201 AVIATION Landing Ground at Gwadur' Date: 1936/1940 Language: English Geographic region: Gwadur
31. ‘File 2/15 MASIRAH & SALALAH AIR FIELDS (CHARTER FLIGHTS)’ Date: 1941/1948 Language: English Geographic region: SalalahMasirah
32. ‘File 2/23 II. AVIATION. B. ROYAL AIR FORCE. (3M) R.A.F. Landing Ground at Shinas’ Date: 1933/1934 Language: English Geographic region: Shinas
33. ‘File 2/23 R.A.F. Landing Ground at SHINAS’ Date: 1937/1946 Language: English Geographic region: Shinas
34. 'File 2/40 COPIES OF MUSCAT CIVIL AGREEMENT AS PRESENTED TO HIS HIGHNESS FROM TIME TO TIME. FINAL AGREEMENT AS SIGNED’ Date: 1946/1947 Language: English
35. 'File 2/41 AIR FACILITIES (AMERICAN)' Date: 1946/1947 Language: English Geographic region: Shinas