17. 'File 14/3 Oilfields in the Gulf outside Muscat territory' Date: 1936/1946 Language: English Geographic region: Trucial CoastKuwait
18. 'File 5/190 V Manumission of slaves at Muscat: individual cases' Date: 1935/1939 Language: English Geographic region: MuscatAl-Hasa
20. 'File 14/3 OIL FIELDS IN THE GULF OUTSIDE MUSCAT TERRITORY' Date: 1935/1935 Language: English Geographic region: Trucial Coast
21. 'File 5/168 VIII Manumission of slaves on Arab Coast: individual cases' Date: 1939/1940 Language: English
22. 'Position and Rights of His Majesty's Government in Basidu' Date: 1928/1928 Language: English Geographic region: KishmBasidu
24. Ext 574/48 'Roster of employees of Petroleum Concessions Ltd, Bahrain, Petroleum Development (Qatar) Ltd and Petroleum Development (Trucial Coast) Ltd' Date: 1952/1952 Language: English