49. 'File 19/191 I (C 27) Bahrain, Persian Claim To' Date: 1927/1928 Language: English Geographic region: BahrainBūshehr
50. 'File 19/194 (C 36) Proposal that Political Agent, Bahrain, should be Consul at Qatif' Date: 1927/1930 Language: English Geographic region: BahrainBūshehr
51. 'File 19/198 (C 75) Bahrain - Khor Kaliya' Date: 1927/1933 Language: English Geographic region: BahrainBūshehrAbū-ShahrHormuz Isle
52. 'File 19/209 I (C 73) Bahrain Ruling Family's Desire To Visit Other States' Date: 1930/1936 Language: English Geographic region: BahrainBūshehr
53. 'File 19/218 (C 84) Bahrain Succession' Date: 1932/1942 Language: English Geographic region: BahrainBūshehr
54. 'File 19/243 I (C 69) Zubarah' Date: 1937/1937 Language: English Geographic region: ZubarahBahrainBūshehr
55. 'File 19/243 IV Zubarah' Date: 1946/1948 Language: English Geographic region: ZubarahBahrainBūshehr
56. 'File 19/243 II (C 72) Zubarah' Date: 1937/1937 Language: English Geographic region: ZubarahQatar
57. 'File 23/15, 19 I (D 89) Mesopotamia - General' Date: 1918/1933 Language: English Geographic region: RaikanNērva
58. ‘File 16/30 Visits of shaikhs, notables and others to Bahrain.’ Date: 1931/1949 Language: English
59. 'File 19/191 II (C 38) Bahrain, Persian Claim To' Date: 1929/1931 Language: English Geographic region: BahrainBūshehr
60. 'File 8/43 MUSCAT STATE AFFAIRS: POLITICS & RELATIONS OF MUSCAT WITH OTHER ARAB CHIEFS – BORDERS: WADI AL QAUR, KALBA & RAS AL KHAIMAH' Date: 1917/1933 Language: English