| Buys, D., 2000. The status of the southern white rhino (Ceratotherium simum simum) on private land in South Africa in 1999. Pachyderm 28: 60-64, tables 1-3
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| Buys, D., 1999. Survey: white rhinos on private land (October 1999): pp. 1-7
| In: Anonymous Proceedings of a workshop on conservation of African rhinos on private land through utilization, Onderstepoort, South Africa, 8 & 9 October 1999. Johannesburg, African Rhino Owners Association: pp. 1-52 |
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| Buys, D., 1998. White rhinos on private land in South Africa 1997. Johannesburg, Report to the African Rhino Owners Association, pp. 1-8, tables 1-4
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| Buys, D.; Papenfus, T., 1996. White rhinos on private land in South Africa. Johannesburg, Report to Rhino and Elephant Foundation, pp. i, 1-14, figs. 1-2, tables 1-3
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| Buys, D., 1987. A summary of the introduction of white rhino onto private land in the Republic of South Africa. Johannesburg, Report to Rhino and Elephant Foundation, [not paginated]
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| Buys, D.W., 1927. Het hoofd (prauwen) bivak Long Petah: pp. 41-54, figs. 16-21
| In: Anonymous Midden-Oost-Borneo Expeditie 1925. Weltevreden, G. Kolff and Co: pp. i-v, 1-423 |
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