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Standley, S.; Emslie, R.H. 2013. Population and poaching of African rhinos across African range states. London, Evidence on Demand. pp. 1-19.

Morrow, C.; Kudeweh, S.; Goold, M.; Standley, S. 2008. Reproductive cycles, pregnancy and reversal of long term acyclicity in captive southern white rhinoceros at Hamilton Zoo. Reproduction Fertility and Development 21 (1): 180.

Standley, S. 2007. Rhino Ark fence. Swara 30 (1): 38-39, figs. 1-5.