2. Coll 1/28 'Aden Protectorate, Lahej; conspiracy against the Sultan of Lahej and question of recognition of his eldest son as his successor' Date: 1933/1937 Language: English Geographic region: Lahej
3. Coll 6/16 'Future of: Royal Family. Probable happenings on the death of Ibn Saud.' Date: 1931/1949 Language: English Geographic region: Kingdom of Nejd and HejazSaudi Arabia
