![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Sidney, J., 1965. The past and present distribution of some African ungulates. Transactions of the Zoological Society of London 30: 1-397, figs. 1-39, maps 1-9
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![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Sidney, J., 1965. The past and present distribution of some African ungulates. Transactions of the Zoological Society of London 30: 1-397, figs. 1-39, maps 1-9
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