Vol III No 5 File 576 Books and publications: memorandum on the Yaffa'i as-Suful and the territory of the Amir of Dhala by Capt G Warneford, Assistant Political Resident
Vol II No 6A File 1113 Memorandum by Brigadier-General H M Mason, Political Resident, on the military situation and political aspect of affairs in the Aden Hinterland [especially Dhala]
Vol II No 6A File 1122 Shihr and Mukalla: amicable settlement of the dispute between the Sultan and his nephews Husain and Monasir: departure of the nephews from Aden and arrival at Bombay