50. Coll 30/198 ‘Persian Gulf Defence : - ABADAN.’ Date: 1942/1943 Language: English Geographic region: PersiaAbadan
51. Coll 30/204 ‘Persian Gulf Oil. Future of oil in its relation to the Middle East – Admiralty Memorandum on –’ Creator: Author: Admiralty Date: 1940/1941 Language: English Geographic region: Middle East
52. Coll 30/89(1) 'OIL. KOWEIT: Shipments of Oil from Koweit' Date: 1946/1948 Language: English Geographic region: Koweit
53. Coll 6/48 'Oil: Concessions in Saudi Arabia. (Hasa)' Date: 1923/1945 Language: English Geographic region: QatarKuwaitBahrainHasa
54. Coll 6/79 'Oil: Oil concessions in South East Arabia (Rub'al Khali).' Date: 1936/1937 Language: English Geographic region: Ruba' al Khali