13. ‘File 28/61 War. BAPCO and A.I.O.C. – Attitude of employees regarding enlistment in armed forces at outbreak of war’ Date: 1939/1939 Language: English
14. ‘File 28/75 Defence policy for the Gulf’ Date: 1938/1939 Language: English Geographic region: Persian Gulf
15. 'File 11/34 III Muscat War Subsidy and Defence of Arab Side of Gulf' Date: 1939/1941 Language: English
20. Affairs in Aden Date: 1840/1840 Language: English Geographic region: AdenLahedgeFadhli SultanateKerm
22. File 537/1921 Part 1 'Persia: Oil - Defence of A.P. Oil Co's fields etc' Date: 1920/1924 Language: English Geographic region: Arabistan
23. The Construction of Defence Works at Aden Date: 1846/1846 Language: English Geographic region: Aden
24. John Malcolm's Report on the Potential Invasion of India by Russia Creator: Author: President and Governor of Bombay in Council Date: 1830/1830 Language: English Geographic region: India