Vol 6 File 1577 Harrar: correspondence respecting ports in the Red Sea and the Gulf of Aden and the Province of Harrar [Parliamentary Paper, HC 4427 4423]
Vol VI No 7 File 271 Somali Coast: Ras Hafun: annexation of Hossia a small port some 200 miles south of Ras Hafun by Yusuf 'Ali chief of Alula, instructions relative to interference with the tribes south of the Hafun