1. ‘Office Orders II’ Creator: Author: Political Agent, Bahrain Date: 1937/1949 Language: English Geographic region: Bahrain
4. 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
5. PZ 3044/40(1) ‘OIL – Persian Gulf. Bahrein. Personnel of Bahrein Petroleum Coy., (Roster of Employees Sept: 39/Dec:1940.)’ Date: 1939/1941 Language: English Geographic region: Bahrain
6. PZ 3044/40(2) 'Oil. Persian Gulf. Bahrein. Personnel of Bahrein Petroleum Co. Roster of Employees 1941-' Date: 1941/1948 Language: English
7. General No. 26 of 1874, Inviting the Attention of HM Government to Article II of the Telegraph Convention with the Persian Government, Concluded on 2 December 1872, and Expressing a Hope that the Persian Government May be Moved to Take Steps to Ensure Due Protection of British Officers Employed in Persia Date: 1874/1874 Language: English