37. 'File 8/1 MUSCAT STATE AFFAIRS: GWADUR/KALAT BOUNDARY' Date: 1942/1948 Language: English Geographic region: GwadurKalat
38. 'File 22/23 II Kuwait Conference 1924' Date: 1924/1924 Language: English Geographic region: TransjordaniaIraqHijazNajd
39. 'File 6/3 Survey of Kuwait and Neutral Zone by the Royal Air Force (also by American Navy)' Date: 1930/1949 Language: English
40. 'File 5/17 Administration in the Neutral Zone' Date: 1949/1949 Language: English Geographic region: Kuwait-Saudi Arabia Neutral Zone
43. 'File 5/2 II Kuwait Neutral Zone' Date: 1934/1936 Language: English Geographic region: Kuwait-Saudi Arabia Neutral Zone
44. 'File 5/2 III Kuwait Neutral Zone' Date: 1936/1939 Language: English Geographic region: Kuwait-Saudi Arabia Neutral Zone
45. 'File 5/2 IV Kuwait Neutral Zone' Date: 1939/1947 Language: English Geographic region: Kuwait-Saudi Arabia Neutral Zone
46. 'File 5/2 V Kuwait Neutral Zone' Date: 1947/1948 Language: English Geographic region: Kuwait-Saudi Arabia Neutral Zone
47. 'File 5/2 VI Kuwait Neutral Zone' Date: 1948/1949 Language: English Geographic region: Kuwait-Saudi Arabia Neutral Zone
48. 'File 8/1 GWADUR-KALAT BOUNDARY 1912-1942' Date: 1912/1942 Language: English Geographic region: KalatGwadur