Originally published in 3 vols as 'Sahara und Sudan'. - Vols 1 and 2 originally published, Berlin: Weidmannsche Buchhandlung, 1879-1881. Vol.3 originally published, Leipzig: F.A. Brockhaus, 1889.
Sahara and Sudan by Gustav Nachtigal. ISBN 090096653X. Published by C. Hurst in 1971. Publication and catalogue information, links to buy online and reader comments.