37. 'Memorandum respecting the Conveyance of English Mails on the River Tigris' Date: 1883/1883 Language: EnglishFrench Geographic region: Tigris RiverIraq Extent: 1 volume (2 folios)
38. 'Memorandum as to the Right of British Ships of War to go up the Tigris and Euphrates' Date: 1883/1883 Language: English Geographic region: Euphrates RiverTigris RiverIraq Extent: 1 volume (4 folios)
39. 'Navigation of the Tigris and Euphrates by British Merchant-Vessels' Date: 1881/1881 Language: EnglishFrench Geographic region: Euphrates RiverTigris RiverIraq Extent: 1 volume (5 folios)
40. 'Biographical Notes' Contributor: George Percy Churchill (author) Date: 1899/1909 Language: EnglishPersian Geographic region: PersiaIraqNajdKūh-e MandKuk-I-MundRas TannuraRa's TannūrahZellaqAz ZallāqAl Jufayr Extent: 1 volume (302 folios)
41. 'Historical Summary of Events in Territories of the Ottoman Empire, Persia and Arabia affecting the British Position in the Persian Gulf, 1907-1928' Date: 1928/1928 Language: English Geographic region: MuscatBahrainNajdOttoman EmpirePersiaMohammerahIraqKūh-e MandKuk-I-MundRas TannuraRa's TannūrahZellaqAz ZallāqAl JufayrSitrahSitraNew DelhiSharjah Extent: 1 volume (90 folios)
42. 'File 8/18 Iraq: Review of Events, 1933' Date: 1934/1934 Language: English Geographic region: Iraq Extent: 1 file (24 folios)
43. 'File 23/15, 19 I (D 89) Mesopotamia - General' Contributor: James Orton (correspondent)Francis Warden (correspondent) Date: 1918/1933 Language: EnglishArabic Geographic region: RaikanNērvaIraqBūshehrAbū-ShahrHormuz Isle Extent: 1 volume (219 folios)
44. ‘File 25/4 Anglo-Iraqi Treaty of Alliance, 1930’ Contributor: Combined Intelligence Centre, Iraq and Persia (correspondent) Date: 1930/1945 Language: English Geographic region: Iraq Extent: 1 file (18 folios)
45. ‘File 28/27 Disturbances in Iraq’ Contributor: Political Resident, Persian Gulf (correspondent) Date: 1941/1943 Language: English Geographic region: IraqBasra Extent: 1 file (56 folios)
46. ‘File 29/25 DATES QUOTA – 1944-’45 FOR BAHRAIN AND TRUCIAL COAST’ Contributor: Adviser to the Government of Bahrain (correspondent)Political Agent, Kuwait (correspondent)Political Agent, Trucial Coast (correspondent)India Office (correspondent)Director of Customs and Port Officer (correspondent)Political Resident, Persian Gulf (correspondent)Indian Political Service, External Affairs Department (correspondent)Native Agent, Trucial Coast, Sharjah (correspondent)Secretary of State for India and Burma, United Kingdom (correspondent)Andrew Weir Group (correspondent)Ministry of Food, Dried Fruits Division (author) Date: 1944/1950 Language: EnglishArabic Geographic region: Saudi ArabiaDubaiTrucial CoastSharjahIraq Extent: 1 file (92 folios)
47. 'File 61/10 (D 63) Relations between Nejd and Transjordania (political status of Jauf)' Contributor: British Legation to Saudi Arabia (correspondent)High Commissioner, Palestine and Transjordan (correspondent)Colonial Office (correspondent)High Commissioner, Iraq (correspondent) Date: 1923/1929 Language: EnglishArabic Geographic region: IraqTransjordaniaTrans-JordanKāfMaanHejazAl JawfAl 'Aqaba Extent: 1 volume (219 folios)
48. 'File 61/11 VII (D 122) Hejaz-Nejd Miscellaneous' Contributor: British Legation to Saudi Arabia (correspondent)High Commissioner, Palestine and Transjordan (correspondent)Colonial Office (correspondent)Muscat Political Agency and Consulate (correspondent)British Embassy in Iraq, Baghdad (correspondent)Political Residency, Aden (correspondent) Date: 1934/1936 Language: English Geographic region: Soviet UnionYemenAl-HasaHaifaIraq Extent: 1 volume (223 folios)