37. 'File 19/212 II (C 47) Bahrain Transit Trade' Date: 1932/1933 Language: English Geographic region: BahrainBūshehr
38. 'File 19/212 III (C 58) Bahrain Transhipment of Cargo' Date: 1934/1935 Language: English Geographic region: BahrainBūshehr
39. 'File 19/212 IV (C 63) Bahrain Transit Dues' Date: 1935/1936 Language: English Geographic region: BahrainBūshehr
40. 'File 19/218 (C 84) Bahrain Succession' Date: 1932/1942 Language: English Geographic region: BahrainBūshehr
41. 'File 19/243 I (C 69) Zubarah' Date: 1937/1937 Language: English Geographic region: ZubarahBahrainBūshehr
42. 'File 19/243 IV Zubarah' Date: 1946/1948 Language: English Geographic region: ZubarahBahrainBūshehr
43. 'File 19/243 II (C 72) Zubarah' Date: 1937/1937 Language: English Geographic region: ZubarahQatar
44. 'File 19/252 Bahrain Water Supply' Date: 1939/1942 Language: English Geographic region: BahrainBūshehr
46. 'File A/14 Shaikh Hamad bin Muhammad Al Khalifa and his intrigues with the Turkish authorities' Date: 1904/1916 Language: English
47. 'File A/18 Majlis al-Urfi: Correspondence regarding its Composition; also connected correspondence regarding "Jurisdiction"' Date: 1919/1920 Language: English
48. 'File 9/2 I Bahrain Reforms: Finances of the Bahrain Government' Date: 1923/1933 Language: English