25. 'File 19/176 I (C 39) Bahrain Finances' Date: 1924/1931 Language: English Geographic region: BahrainBūshehr
26. 'File 19/176 II (C 40) Bahrain Finances' Date: 1932/1932 Language: English Geographic region: BahrainBūshehr
27. 'File 19/176 III (C 51) Bahrain Finances' Date: 1932/1934 Language: English Geographic region: BahrainBūshehr
28. 'File 19/176 IV (C 71) Bahrain Finances' Date: 1934/1937 Language: English Geographic region: BahrainBūshehr
29. 'File 39/22 Bahrain pearling banks in strip of seabed leased by Trinidad Leaseholds Ltd' Date: 1947/1948 Language: English Geographic region: Ras Tanura
30. 'File 78/1 II Pearl Fisheries' Date: 1937/1941 Language: English Geographic region: Trucial States
32. 'File VIII/3. Pedigree, Private affairs, notes, etc on the As-Subah family.' Date: 1904/1922 Language: English Geographic region: Bubiyan IslandMohammerahJazīrat WarbahShat-el-Arab
33. ‘File 16/5 Bahrain Agency: fortnightly political diaries’ Date: 1930/1931 Language: English Geographic region: QatifNejdQatar
34. ‘File 16/6 Diary weekly Kuwait’ Creator: Author: Political Agent, Kuwait Date: 1926/1930 Language: English Geographic region: NejdKuwaitIraq
35. 'File 17/16 Fish Industry in Muscat (Dr. Bertram's Visit to Muscat)' Date: 1944/1947 Language: English
36. 'File 5/190 V Manumission of slaves at Muscat: individual cases' Date: 1935/1939 Language: English Geographic region: MuscatAl-Hasa