73. File 4949/1912 Pt 1 ‘Persian Gulf: Abu Musa oxide’ Date: 1912/1923 Language: English Geographic region: Abū MūsáHormuz
74. File 2794/1921 Pt 3 'Persian Gulf: Oil: Koweit' Date: 1925/1931 Language: English Geographic region: KuwaitBahrain
75. File 2794/1921 Pt 3 'Persian Gulf: Oil: Koweit.' Date: 1931/1932 Language: English Geographic region: Kuwait