37. 'File E.2. Turkish Activities on the Mainland Adjacent to Bahrain: (i) Qatar; (ii) Zakhnuniya Island; (iii) Hawar' Date: 1909/1912 Language: EnglishArabic Extent: 1 volume (88 folios)
38. 'File [1/39 I] Major T Hickinbotham, OBE (Private File)' Date: 1941/1950 Language: EnglishArabic Extent: 1 file (420 folios)
39. ‘File 7/2 II Landing grounds and seaplane anchorages’ Date: 1934/1935 Language: EnglishArabic Geographic region: Şīr Banī Yās Island Extent: 1 volume (264 folios)
40. ‘File 7/2 III Landing grounds and seaplane anchorages’ Date: 1935/1935 Language: EnglishArabic Extent: 1 volume (251 folios)
41. ‘File 7/2 IV R.A.F. Landing Grounds & Anchorages’ Date: 1935/1936 Language: EnglishArabic Extent: 1 volume (265 folios)
42. ‘File 7/2 VI Landing grounds and seaplane anchorages’ Date: 1937/1942 Language: EnglishArabic Extent: 1 volume (298 folios)
44. ‘File 86/2 II (C 31) Eastern and General Syndicate, Oil, Bahrain’ Contributor: Bahrain Petroleum Company (correspondent)Bahrain Petroleum Company, Chief Local Representative (correspondent)Eastern and General Syndicate Limited, oil company (correspondent)Gulf Oil Corporation (correspondent)Political Agent, Bahrain (correspondent)Freshfields, Leese and Munns, solicitors, London (correspondent) Date: 1929/1930 Language: English Geographic region: BahrainSitrah Extent: 1 volume (251 folios)
45. 'File: E/4. Turkish mudirs of Wakra and Zubara on the Qatar Peninsular' Date: 1902/1910 Language: EnglishArabic Extent: 1 volume (102 folios)
46. 'FRENCH POSSESSIONS IN THE GULF OF ADEN. COMPILED BY CAPTAIN E.J.E SWAYNE, 16TH BENGAL INFANTRY.' Contributor: Government of India, Quarter Master General's Department, Intelligence Branch (creator)Government Central Branch Press, Simla (publisher) Date: 1895/1895 Language: English Geographic region: Gulf of AdenJiboutiObok Extent: 1 volume (36 folios)
47. 'P.A's Private file (Major T. Hickinbotham C.I.E., O.B.E.)' Date: 1943/1944 Language: ArabicEnglish Extent: 1 file (92 folios)
48. 'In re estate of the deceased Sa'd bin Abdulla Musabahi' Date: 1911/1914 Language: EnglishArabic Extent: 1 file (217 folios)