Travels and discoveries in North and Central Africa : being a journal of an expedition undertaken under the auspices of H. B. M.'s government, in the years 1849-1855 /
Barth, Heinrich,1821-1865.
London : Longman, Brown, Green, Longmans, & Roberts,
1857-58.
Translation of: Reisen und Entdeckungen in Nord- und Central- Afrika in den Jahren 1849 bis 1855.