The Negroland of the Arabs examined and explained; or, An inquiry into the early history and geography of Central Africa - Cooley, William Desborough, 1883 (Barnes & Noble, 1966)
"The authors chiefly relied on El Bekri, Ibn Khaldun, and Ibn Batutah."--Pref
Facsim. reprint of 1st ed., London, J. Arrowsmith, 1841
Keywords: Sudan (Region) -- Historical geography