1. 'File 38/16 Effects of Bahrain-Qatar dispute on P. C. L.' Date: 1944/1948 Language: English Geographic region: ZubarahSitraQatarZekrit
2. 'File 28/5 III Visits of tankers and steamers etc. to Sitrah Terminus.' Date: 1938/1938 Language: English Geographic region: Sitra
3. 'Treaties and Undertakings etc in force between the British Government and the Rulers of Bahrain, 1820-1914' Date: 1914/1919 Language: English Geographic region: BahrainSitrahSitra
4. 'File 28/5 Visits of Tankers and other Ships to Sitrah' Date: 1934/1936 Language: English Geographic region: Sitra
5. 'File 28/5 II Visit of Tankers etc to Sitrah & Shipments of oil (Royalty Tickets)' Date: 1936/1938 Language: English Geographic region: Sitra
6. Blueprint sketch map of submarine line and anchorage at Sitrah Island, Bahrain Date: 1933/1933 Language: English Geographic region: Sitra