Botha, C.J. (Christoffel Jacobus); Van der Lugt, Jaco J.; Erasmus, G.L.; Kellerman, T. Stephanus; Schultz, R.A. (Rowena Anitra)(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
Fourie, Niel; Bastianello, Stella S.; Nel, P.W.; Kellerman, T. Stephanus(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)
Marasas, Walter F.O. (Walter Friedrich Otto); Kellerman, T. Stephanus; Gelderblom, W.C.A.; Thiel, P.G.; Van der Lugt, Jaco J.(Published by the Government Printer, Pretoria., 1988)
Kellerman, T. Stephanus; Marasas, Walter F.O. (Walter Friedrich Otto); Thiel, P.G.; Gelderblom, W.C.A.; Cawood, M.(Published by the Government Printer, Pretoria., 1990)
Anderson, L.A.P.; Joubert, J.P.J.; Kellerman, T. Stephanus; Pienaar, Barendina J.; Schultz, R.A. (Rowena Anitra)(Published by the Government Printer, Pretoria., 1987)