61. File 2794/1921 Pt 15 'Oil. Koweit Neutral Zone. On concessions in.' Date: 1933/1935 Language: English Geographic region: KuwaitKuwait-Saudi Arabia Neutral Zone
62. File 2794/1921 Pt 3B 'Persian Gulf: oil; Kuwait' Date: 1932/1933 Language: English Geographic region: Kuwait
64. File 357/1919 Pt 2 ‘RAILWAYS IN PERSIA’ Date: 1922/1928 Language: English Geographic region: Persia
65. File 3615/1913 Pt 1 'Persian Gulf: Moin-ut-Tujjar's concessions' Date: 1913/1916 Language: English Geographic region: Bandar Abbas
66. File 2794/1921 Pt 3 'Persian Gulf: Oil: Koweit' Date: 1925/1931 Language: English Geographic region: KuwaitBahrain
67. File 2794/1921 Pt 3 'Persian Gulf: Oil: Koweit.' Date: 1931/1932 Language: English Geographic region: Kuwait