Narrative of Travels and Discoveries in Northern and Central Africa in the Years 1822, 1823, and 1824, by Major Denham, F.R.S., Captain Clapperton, and the Late Doctor Oudney, Extending Across the Great Desert to the Tenth Degree of Northern Latitude, and from Kouka in Bornou, to Sackatoo, the Capital of the Felatah Empire
