13. Ext 1569/42 'Tours of the Political Agent, Bahrein' Date: 1941/1942 Language: English Geographic region: Trucial States
14. Ext 4045/45 'Formation of a Union of Arab Amirates of the Persian Gulf - with Headquarters at Bahrain' Date: 1945/1946 Language: English Geographic region: BahrainKuwaitQatarTrucial States
15. Sketch map of Trucial Coast and southern part of Persian Gulf Date: 1926/1926 Language: English Geographic region: Trucial StatesBūshehrAbū-ShahrHormuz Isle
16. Sketch map showing Oman and Trucial States Date: 1926/1926 Language: English Geographic region: OmanTrucial States
18. File 912/1926 'PERSIAN GULF NEWS SUMMARY 1926-1930' Date: 1926/1931 Language: English Geographic region: Persian GulfTrucial States