Rookmaaker, L.C., 2007. A chronological survey of bibliographical and iconographical sources on rhinoceroses in southern Africa from 1795 to 1875: reconstructing views on classification and changes in distribution. Transactions of the Royal Society of South Africa 62 (2): 55-198, figs. 1-157 [68 in colour], maps A-I [2 in colour], tables 1-47 - DOI: 10.1080/00359190709519203
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