49. PZ 2123/40 'Wartime censorship: intercepted letters' Creator: Author: Ottoman Bank Date: 1940/1941 Language: English
50. Coll 30/152 'Bahrain: Oil: Production of - Monthly Statements of Destination of Shipments' Date: 1937/1948 Language: English Geographic region: Bahrain
51. Coll 30/89(1) 'OIL. KOWEIT: Shipments of Oil from Koweit' Date: 1946/1948 Language: English Geographic region: Koweit
52. Coll 28/38 ‘Persia. Trade. Trade Tables 1929/30 to’ Date: 1931/1944 Language: English Geographic region: Persia
53. Coll 28/61 ‘Persia. Trade Reports. Bundar Abbas & Lingah, 1925/6–’ Creator: Author: British Consul, Bandar Abbas Date: 1928/1936 Language: English Geographic region: LingahBandar Abbas
54. Coll 28/78 ‘Persia. Economic and trade conditions in Kermanshah’ Creator: Author: British Consul, Kermanshah Date: 1928/1936 Language: English Geographic region: Kermānshāh (inhabited place)
55. File 1032/1914 Pt 1-2 'PERSIA:- TRADE WITH PERSIAN GULF PORTS' Creator: Author: British Vice-Consul, Bushire Date: 1913/1919 Language: English Geographic region: PersiaPersian Gulf
56. File 1407/1918 'Kowait Trade Reports. (1911-1930)' Date: 1912/1931 Language: English Geographic region: Middle EastKuwait