Swart, M.K.J.; Ferguson, J.W.H. 1997. Conservation implications of genetic differentiation in southern African populations of black rhinoceros (Diceros bicornis). Conservation Biology 11 (1): 79-83, fig. 1, tables 1-3.
Swart, M.K.J.; Ferguson, J.W.H. 1994. How vulnerable is the black rhino? A genetic and demographic analysis.
Swart, M.K.J.; Bissbort, S.; Ferguson, J.W.H.; Ungerer, J.P.J. 1994. Polymorphism of glucose-6-phosphate dehydrogenase in black rhinoceroses: a possible link with haemolytic anaemia. South African Journal of Science 90: 14-16, fig. 1, tables 1-3.
Swart, M.K.J.; Ferguson, J.W.H.; Du Toit, R.; Flamand, J.R.B. 1994. Substantial genetic variation in southern African black rhinoceros (Diceros bicornis). Journal of Heredity 85: 261-266, figs. 1-3, tables 1-3.
Ferguson, J.W.H.; Swart, M.K.J.; MacKenzie, A.A. 1993. Implications of G-6PD allozymes for capture and care of black rhinoceros.






