The source of the Blue Nile : a record of a journey through the Soudan to Lake Tsana in western Abyssinia, and of the return to Egypt by the valley of the Atbara, with a note on the religion, customs, etc. of Abyssinia
The source of the Blue Nile : a record of a journey through the Soudan to Lake Tsana in western Abyssinia, and of the return to Egypt by the valley of the Atbara, with a note on the religion, customs, etc. of Abyssinia