4. ‘File 86/2 I (C 30) Bahrain Oil Concession (Eastern & General Syndicate)’ Date: 1925/1929 Language: English Geographic region: BahrainSitrah
5. ‘File 86/2 III (C 42) Bahrain Oil, Eastern and General Syndicate Limited’ Date: 1930/1933 Language: English Geographic region: BahrainSitrah
6. ‘File 86/2 IV (C 43) Bahrain Oil; Eastern and General Syndicate Limited’ Date: 1933/1933 Language: English Geographic region: BahrainSitrah
7. ‘File 86/2 VI (C 46) Bahrain Oil’ Date: 1928/1933 Language: English Geographic region: BahrainSitrah
8. ‘File 86/2 X (C 52) Bahrain Oil’ Date: 1934/1934 Language: English Geographic region: BahrainSitrah
9. ‘File 86/2 XIII (C 61) Bahrain Oil’ Date: 1934/1935 Language: English Geographic region: BahrainSitrah
10. ‘File 86/2 XIV (C 67) Bahrain Oil’ Date: 1935/1937 Language: English Geographic region: BahrainSitrah
11. ‘File 86/2 II (C 31) Eastern and General Syndicate, Oil, Bahrain’ Date: 1929/1930 Language: English Geographic region: BahrainSitrah