157. File 2794/1921 Pt 17 'Persian Gulf: oil; tables of quantities produced by Bahrain Petroleum Co Ltd' Date: 1934/1934 Language: English Geographic region: Bahrain
158. File 2794/1921 Pt 10 'Oil. Persian Gulf. Bahrain. Refinery at Bahrain.' Date: 1933/1938 Language: English Geographic region: Bahrain
159. File 2794/1921 Pt 12 'Persian Gulf; oil; Bahrain; acquisition of land on Sitrah Island and reservation of other land elsewhere' Date: 1933/1934 Language: English Geographic region: Bahrain
160. File 2794/1921 Pt 15 'Oil. Koweit Neutral Zone. On concessions in.' Date: 1933/1935 Language: English Geographic region: KuwaitKuwait-Saudi Arabia Neutral Zone
161. File 2794/1921 Pt 14 'Persian Gulf: oil; Bahrain; appointment of chief local representative of Bahrain Petroleum Company' Date: 1935/1946 Language: English Geographic region: Bahrain
162. File 3877/1912 Pt 1 ‘Turkey in Asia: oil concessions’ Date: 1904/1913 Language: English Geographic region: PersiaMesopotamia
163. File 3877/1912 Pt 2 ‘Turkey in Asia: oil concessions’ Date: 1913/1914 Language: English Geographic region: PersiaMesopotamia
164. File 3877/1912 Pt 3 ‘Turkey in Asia: oil concessions’ Date: 1914/1915 Language: English Geographic region: Mesopotamia
165. File 3877/1912 Pt 4 ‘Turkey in Asia: oil concessions’ Date: 1914/1914 Language: English Geographic region: MesopotamiaNejd
166. File 3877/1912 Pt 5 ‘Turkey in Asia: oil interests’ Date: 1914/1917 Language: English Geographic region: Mesopotamia
167. File 7190/1920 Pt 2 ‘Persia:- Mohammerah. Relations of the Shaikh with Central Govt.’ Date: 1923/1925 Language: English Geographic region: PersiaMohammerah