49. 'File 19/165 I (C 18) Bahrain Reforms' Date: 1922/1923 Language: English Geographic region: BahrainBūshehr
50. 'File 19/12 Bahrain, Precis of Zobara Affairs in 1895' Date: 1895/1895 Language: English Geographic region: ZubarahBahrainBūshehr
51. 'File 19/75, 189, 220, 223 Complaint of Shaikh Hamad ibn Muhammad Al Khalifa against Shaikh `Isa; Shaikh Khalifa ibn Hamad Al Khalifa; presentation of Kharita to Shaikh of Bahrain; correspondence about Bahrain ruling family' Date: 1899/1938 Language: English Geographic region: BahrainBūshehr
52. 'File 19/109 I (C 12) Bahrein Chief's relations with British Govt. and other Powers' Date: 1903/1912 Language: English Geographic region: BahrainBūshehr
53. 'File 19/109 III (C 22) Bahrain - Relations with Foreign Powers, Etc' Date: 1922/1925 Language: English Geographic region: BahrainBūshehr
54. 'File 19/109 IV (C 28) Shaikh's Relations with other Foreign Powers' Date: 1925/1929 Language: English Geographic region: BahrainBūshehr
55. 'File 19/109 V (C 32) Bahrain Relations with other Foreign Powers' Date: 1929/1931 Language: English Geographic region: KhorramshahrBahrainBūshehr
56. 'File 19/109 VI (C 45) Bahrain Relations with Foreign Powers' Date: 1931/1933 Language: English Geographic region: KhorramshahrBahrainBūshehr
57. 'File 19/109 VII (C 59) Shaikh's Relations with other Foreign Powers' Date: 1933/1935 Language: English Geographic region: Kingdom of HejazGusbaBahrainBūshehr
58. 'File 19/109 VIII (C 68) Bahrain Relations with other Foreign Powers' Date: 1935/1937 Language: English Geographic region: Kingdom of HejazBahrainBūshehr
59. 'File 19/139 I (C 60) Steamer for Bahrain and neighbouring ports' Date: 1914/1930 Language: English Geographic region: BahrainBūshehr
60. 'File 19/163 I (C 33) Bin Saud's relations with Shaikh of Bahrain. Nejdi Agent's activities in Bahrain' Date: 1923/1931 Language: English Geographic region: BahrainBūshehr