Clark, J.V.

Clark, J.V. 2016. The barefoot game rancher from Zululand. In Du Toit, J.G. The story of the white rhinoceros. Krugersdorp. pp. 125-131.

Keep, M.E.; Tinley, J.L.; Rochat, K.; Clark, J.V. 1969. The immobilization and translocation of black rhinoceroses Diceros bicornis using Etorphine Hydrochloride (M99). Lammergeyer 10: 4-11, tables 1-4.