I. G.  Horak, Gallivan, G. J., Braack, L. E. O., Boomker, J., and De Vos, V., ?Parasites of domestic and wild animals in South Africa. XLI. Arthropod parasites of impalas (Aepyceros melampus) in the Kruger National Park?, Onderstepoort Journal of Veterinary Research, vol. 70, pp. 131 - 163, 2003.

L. E. O.  Braack, Maggs, K. A. R., Zeller, D. A., and Horak, I. G., ?Exotic arthropods in the Kruger National Park, South Africa: modes of entry and population status?, African Entomology, vol. 3, pp. 39 - 48, 1995.

I. G.  Horak, De Vos, V., and Braack, L. E. O., ?Arthropod burdens of impalas in the Skukuza region during two droughts in the Kruger National Park?, Koedoe, vol. 38, pp. 65 - 71, 1995.

L. E. O.  Braack, Horak, I. G., Jordaan, L. C., Segerman, J., and Louw, J. P., ?The comparative host status of red veld rats (Aethomys chrysophilus) and bushveld gerbils (Tatera leucogaster) for epifaunal arthropods in the southern Kruger National Park, South Africa?, Onderstepoort Journal of Veterinary Research, vol. 63, no. 2, pp. 149 - 158, 1996.

J. P.  Louw, Horak, I. G., Horak, M. L., and Braack, L. E. O., ?Fleas, lice and mites on scrub hares (Lepus saxatilis) in northern and eastern Transvaal in Kwazulu-Natal, South Africa?, Onderstepoort Journal of Veterinary Research, vol. 62, no. 2, pp. 133 - 137, 1995.

J. P.  Louw, Horak, I. G., and Braack, L. E. O., ?Fleas and lice on scrub hares (Lepus saxatilis) in South Africa?, Onderstepoort Journal of Veterinary Research, vol. 60, no. 2, pp. 95 - 101, 1993.

L. E. O.  Braack and Emerson, K. C., ?A louse phoretic on a hematophagous muscid fly?, Journal of the Entomological Society of Southern Africa, vol. 49, no. 1, pp. 161 - 162, 1986.