1. File 2249/1915 Pt 2 ‘Oil: Mesopotamia and Persia: oil; Sir J Cowan's deputation & Standard Oil Co.’ Date: 1919/1921 Language: English Geographic region: PersiaMesopotamia
2. File 3877/1912 Pt 2 ‘Turkey in Asia: oil concessions’ Date: 1913/1914 Language: English Geographic region: PersiaMesopotamia
3. File 3877/1912 Pt 5 ‘Turkey in Asia: oil interests’ Date: 1914/1917 Language: English Geographic region: Mesopotamia