Sahara and Sudan
Nachtigal, Gustav.
Fisher, Allen George Bernard.
Fisher, Humphrey John.
London C. Hurst,
1980
In 4 vols
Translation of: 'Sahara and Sudan'. Published in 3 vols Berlin : Weidman : Paul Parey ; Leipzig : F.A. Brockaus, 1879-1889
Includes index
Sahara