Hall-Martin, A., and J.G. Castley. “The Status of the Black Rhinoceros (Diceros Bicornis) on Private Land in South Africa in 2001”. Pachyderm 34, no. 1 (June 30, 2003): 24–32. Accessed July 22, 2024. https://pachydermjournal.org/index.php/pachyderm/article/view/1130.