The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Groves, C. P., and Catherine H. Bell. 2004. New investigations on the taxonomy of the zebras genus Equus, subgenus Hippotigris. Mammalian Biology, vol. 69, no. 3. 182-196
- Groves, Colin, and Peter Grubb. 2011. Ungulate Taxonomy. ix + 317
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