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Rookmaaker, L.C. 1998. Chapter 3. Early rhinoceroses in Rome, China and the Near-East. In: Rookmaaker, L.C., The rhinoceros in captivity: a list of 2439 rhinoceroses kept from Roman times to 1994. The Hague. pp. 27-32.
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Rookmaaker, L.C. 1998. Chapter 2. Statistics on demography and reproduction. In: Rookmaaker, L.C., The rhinoceros in captivity: a list of 2439 rhinoceroses kept from Roman times to 1994. The Hague. pp. 21-25.
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Rookmaaker, L.C. 1998. Chapter 1. Introduction. In: Rookmaaker, L.C., The rhinoceros in captivity: a list of 2439 rhinoceroses kept from Roman times to 1994. The Hague. pp. 1-19.
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Kawata, K. 2025. This, that and the other things in zoo history. Journal of the Bartlett Society 33: 57-70.
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Novriansyah, R. 2022. Peran International Rhino Foundation (IRF) dalam upaya konservasi badak sumatera di Indonesia. Jom Fisip 9 (2): 1-13.