25. File 21/1911 Pt 1-3 'ADEN:- RECRUITMENT OF ARABS' Date: 1905/1917 Language: English Geographic region: Aden Protectorate
26. File 3086/1915 Pt 8-9 'ARABIA:- ARMS FOR SAYYID IDRISSI' Date: 1915/1925 Language: English Geographic region: Aden Protectorate
27. Diary of Sir Arthur Hirtzel, 1906 Date: 1906/1906 Language: English Geographic region: BengalTibetAfghanistanAden Protectorate