Note 2 — Chapter IX · SOUTH-WEST AFRICA
Reading edition
Narrative of an Explorer in Tropical South-West Africa. By F. Galton (Murray), 2nd edition, Ward, Locke, & Co., Minerva Press, 1889. Lake N’gamî; Explorations in South-West Africa. By Ch. Andersson (Longman), 1856. Also papers by both in the Journal of the Royal Geographical Society.