13. 'File 82/1 [I] (F 52) A.P.O.C. and Oil Concessions Arab Coast' Date: 1921/1923 Language: English Geographic region: Bahrain
14. 'Arms traffic in the Persian Gulf, 1908-1928' Creator: Author: Sir Knight John Gilbert Laithwaite Date: 1928/1928 Language: English Geographic region: Persian GulfMuscat
15. 'Ext 4986/42 Destitute Yemenis and Hadhramis entering Saudi Arabia' Date: 1942/1942 Language: English Geographic region: Saudi Arabia
16. ‘TRIBAL MAP OF SHUMAILIYAH’ Date: 1927/1927 Language: English Geographic region: Trucial StatesBūshehrAbū-ShahrHormuz Isle
17. 'Customs Duty on Goods Landed at Bahrain in Transit to the Mainland' Date: 1920/1921 Language: English
18. 'Memorandum on British Commitments to Bin Saud' Creator: Author: Foreign Office, Political Intelligence Department Date: 1918/1918 Language: English Geographic region: Arabian Peninsula
19. 'Historical Memorandum on the Relations of the Wahabi Amirs and Ibn Saud with Eastern Arabia and the British Government, 1800-1934' Creator: Author: India Office Date: 1934/1934 Language: English Geographic region: RiyadhArabia
20. 'P G India Office Memorandum No B.437, P.Z.5620/1934, Historical Memorandum on the Relations of the Wahabi Amirs and Ibn Saud with Eastern Arabia and the British Government, 1800-1934' Date: 1934/1934 Language: English
21. 'Question of British Consular Representation in El Hasa and Qatif' Creator: Author: Sir Knight John Gilbert Laithwaite Date: 1928/1928 Language: English Geographic region: QatifEl Hasa
22. 'Notes on the "Akhwan" Movement' Creator: Author: Harold Richard Patrick Dickson Date: 1920/1920 Language: English Geographic region: Najd