1. 'VOL. B. 60. CONFIDENTIAL 86/14 - vi. BAHRAIN UNALLOTTED AREA.' Contributor: Admiralty (correspondent)Air Officer Commanding, Iraq (correspondent)India Office (correspondent)Petroleum Concessions Limited (correspondent)Political Agent, Bahrain (correspondent)King of Bahrain (correspondent) Date: 1939/1941 Language: EnglishArabic Geographic region: Fasht DibalHawar IslandsZakhnuniya IslandBahrain Extent: 1 volume (229 folios)
2. 'Confidential 86/14-ii B.47 PETROLEUM CONCESSIONS LTD. BAHRAIN' Contributor: Adviser to the Government of Bahrain (correspondent)India Office (correspondent)Petroleum Concessions Limited (correspondent)Political Agent, Bahrain (correspondent)King of Bahrain (correspondent) Date: 1936/1938 Language: EnglishArabic Geographic region: Fasht DibalHawar IslandsZubarahBahrain Extent: 1 volume (203 folios)
