25. 'File 19/209 I (C 73) Bahrain Ruling Family's Desire To Visit Other States' Date: 1930/1936 Language: English Geographic region: BahrainBūshehr
26. 'File 19/212 II (C 47) Bahrain Transit Trade' Date: 1932/1933 Language: English Geographic region: BahrainBūshehr
27. 'File 19/212 III (C 58) Bahrain Transhipment of Cargo' Date: 1934/1935 Language: English Geographic region: BahrainBūshehr
28. 'File 19/212 IV (C 63) Bahrain Transit Dues' Date: 1935/1936 Language: English Geographic region: BahrainBūshehr
29. 'File 19/218 (C 84) Bahrain Succession' Date: 1932/1942 Language: English Geographic region: BahrainBūshehr
30. 'File 19/243 I (C 69) Zubarah' Date: 1937/1937 Language: English Geographic region: ZubarahBahrainBūshehr
31. 'File 19/243 IV Zubarah' Date: 1946/1948 Language: English Geographic region: ZubarahBahrainBūshehr
32. 'File 19/243 II (C 72) Zubarah' Date: 1937/1937 Language: English Geographic region: ZubarahQatar
33. 'File 19/248 III (C 88) Education at Bahrain' Date: 1941/1945 Language: English Geographic region: BahrainBūshehr
34. 'File 19/252 Bahrain Water Supply' Date: 1939/1942 Language: English Geographic region: BahrainBūshehr
35. 'File 61/6 (D 33) Volume III Bin Sa'ud and Akhwan Movement etc., Shereef (King Hussain) of Mecca (Hedjaz), Murder of Bin Rashid' Date: 1920/1920 Language: English Geographic region: ʻAsīrMeccaHejaz
36. 'File 61/6 vol.4 (D 34) Bin Saud and Akwan Movement' Date: 1920/1921 Language: English Geographic region: ʻAsīrMecca