26. ‘File 28/12 Establishment of Contraband Control Centre’ Date: 1939/1945 Language: English Geographic region: Persian GulfBasra
27. ‘File 28/28-III Military requirements: supply of coke (Bahrain smalls) by BAPCO’ Date: 1945/1946 Language: English
28. ‘File 28/28-(i) Military requirements (purchases etc. for the army)’ Date: 1941/1943 Language: English Geographic region: Dhahran
29. ‘File 28/32 Food requirements from Pakistan. Civil requirements programme’ Date: 1947/1950 Language: English
30. ‘File 28/52 Landing of U.S. seamen at Bahrain’ Date: 1944/1944 Language: English Geographic region: Sitrah
31. ‘File 28/71 Navicert = routine correspondence’ Date: 1941/1946 Language: English Geographic region: Persian GulfBandar-e ʻAbbās
32. 'File 29/18 II Tea and coffee: Bahrain, Eastern Saudi Arabia and Qatar' Date: 1944/1946 Language: English Geographic region: Saudi ArabiaQatar
33. ‘File 29/18 vol I TEA FOR THE RESIDENCY BUSHIRE, ESSENTIAL FIRMS BUSHIRE, AND THE CONSULATES AT KHORRAMSHAHR, KERMAN AND BANDAR ABBAS’ Date: 1944/1948 Language: English Geographic region: BushireKhorramshahrBandar AbbasKerman
34. ‘File 29/18 vol. iii TEA FOR BAHRAIN, EAST SAUDI ARABIA AND QATAR’ Date: 1944/1949 Language: English Geographic region: Saudi ArabiaQatar
35. ‘File 29/18-A TEA FOR THE TRUCIAL COAST’ Date: 1944/1947 Language: English Geographic region: SharjahDubai