1. File 3877/1912 Pt 2 ‘Turkey in Asia: oil concessions’ Date: 1913/1914 Language: English Geographic region: PersiaMesopotamia
2. File 3877/1912 Pt 3 ‘Turkey in Asia: oil concessions’ Date: 1914/1915 Language: English Geographic region: Mesopotamia
3. File 3877/1912 Pt 4 ‘Turkey in Asia: oil concessions’ Date: 1914/1914 Language: English Geographic region: MesopotamiaNejd
4. File 3877/1912 Pt 5 ‘Turkey in Asia: oil interests’ Date: 1914/1917 Language: English Geographic region: Mesopotamia