1. Andersson, C.J., 1856. Lake Ngami; or Explorations and Discoveries during Four Years Wandering in the Wilds of South Western Africa, Facsimile Edition. 1967. Struik, Cape Town, 536pp.
2. Postmodernism and African conservation science;Attwell;Biodiversity and Conservation,2000
3. Explorations in South West Africa;Baines,1864
4. Brind, W.G., 1955. The Okavango Delta: Report on the 1951–53 Surveys. Report to the Resident Commissioner. Mafeking, South Africa, unpublished.
5. Campbell, A.C., 1976. Traditional utilization of the Okavango Delta. Proceedings of the Symposium on the Okavango Delta and its Future Utilization. Botswana Society, Gaborone, 350pp.