25. File 1880/1904 Pt 1 'Perso-Afghan Frontier: - Seistan Arbitration.' Date: 1903/1910 Language: English Geographic region: HelmandSeistanPersiaAfghanistan
28. File 451/1913 Pt 1-2 'Koweit and Bahrein: Oil Deposits. Water Supply.' Date: 1912/1918 Language: English Geographic region: BahrainFarasan IslandsSyriaKuwait