37. Coll 6/67(5) 'Boundaries of South Eastern Arabia and Qatar (Khor al Odeid)' Creator: Author: Committee of Imperial Defence, Standing Official Sub-Committee for Questions Concerning the Middle East Date: 1937/1939 Language: English Geographic region: Qasr-es-SalwaJebel Naksh
38. Coll 6/67(6) 'Boundaries of South-Eastern Arabia and Qatar: Trucial Coast Oil Concessions' Date: 1940/1948 Language: English Geographic region: Jebel NakshKhor-el-OdeidSaudi Arabia
39. Coll 6/8(1) 'Printed Series: 1929 to 1938.' Date: 1929/1938 Language: English Geographic region: YemenArabian PeninsulaKingdom of Nejd and HejazSaudi Arabia
40. Coll 6/49 'Railways and Communications: Proposed Jedda-Mecca Railway. Motor Transport Arrangements.' Creator: Author: King of Saudi Arabia Date: 1932/1939 Language: English Geographic region: ArafatJeddaMecca
41. Coll 6/60 'Saudi Arabia: Oil Concessions in Asir and the Farsan Islands.' Date: 1933/1934 Language: English Geographic region: HasaʻAsīrFarsan Islands
42. Coll 6/64 'South-Eastern Boundaries in [Arabia] – Anglo-Turkish Convention of 1913. Attitude of U.S.A.' Date: 1913/1934 Language: English Geographic region: QatarSaudi Arabia
43. Coll 6/76 'Saudi Arabia: Oil concessions over the Red Sea littoral.' Date: 1936/1937 Language: English Geographic region: Saudi Arabia
44. Coll 6/79 'Oil: Oil concessions in South East Arabia (Rub'al Khali).' Date: 1936/1937 Language: English Geographic region: Ruba' al Khali
46. Coll 6/63 'SOUTH EASTERN ARABIA AND QATAR BOUNDARIES.' Creator: Author: Committee of Imperial Defence, Standing Official Sub-Committee for Questions Concerning the Middle East Date: 1923/1934 Language: English Geographic region: Saudi ArabiaQatar
47. Correspondence, Printed Papers and Newspaper Cuttings Relating to the Persian Bank Mining Rights Corporation Ltd Date: 1889/1892 Language: English
48. File 3615/1913 Pt 2-3 'Persian Gulf - Lease of Islands (& Muin ut Tujjar's Concession). Persian Gulf Islands as to occupation in case of war with Persia' Date: 1912/1918 Language: English Geographic region: Hormuz