Knight, M.H.; Hitchins, P.M.; Erb, K.P. 1993.An aerial survey of rhino and elephant in Chobe National Park and surrounding areas, Northern Botswana, September 1992.Pachyderm 17: 64-74, figs. 1-4, tables 1-2.
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Hitchins, P.M. 1992.An aerial census of black and square-lipped rhinoceros in northern Botswana, 18 September – 2 October 1992.Report to Department of Wildlife and National Parks, Botswana.pp. 1-19.
Hitchins, P.M. 1990.Census and marking systems for black rhinoceros Diceros bicornis with special reference to the Zululand game reserves.Game Ranger 1990 December: 1-12, figs. 1-12, tables 1-8.
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Hitchins, P.M. 1989.Census and marking systems for black rhinoceros Diceros bicornis with special reference to the Zululand game reserves (abstract).Koedoe 32 (2): 84-85, tables 1-2.
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Hitchins, P.M.; Brooks, P.M. 1986.Preliminary report on the population size and trend (1973-1985) of the black rhinoceros in the Hluhluwe and Umfolozi game reserves, 1985.Pietermaritzburg, Natal Parks, Game and Fish Preservation Board.pp. 1-11.
Hitchins, P.M. 1986.Earlessness in the black rhinoceros – a warning.Pachyderm 7: 8-10, figs. 1-5, table 1.
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Hitchins, P.M. 1985.Black rhino project : Summary of results from 1st survey, Umfolozi Game Reserve.Report Umfolozi.
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Hitchins, P.M. 1985.Black rhino project : Summary of results from 2nd survey, Umfolozi Game Reserve.Report Umfolozi.
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Hitchins, P.M. 1985.Black rhino project : Summary of results from 3rd survey, Umfolozi Game Reserve.Report Umfolozi.
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Hitchins, P.M. 1984.Translocation of black rhinoceros (Diceros bicornis minor) from the Natal game reserves 1962-1983.Lammergeyer 33: 45-48, tables 1-6.
Hitchins, P.M. 1983.Rhinoceroses … to be or not to be.Serondella News 5 (1): 1-2.
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Hitchins, P.M.; Anderson, J.L. 1983.Reproduction, population characteristics and management of the black rhinoceros Diceros bicornis minor in the Hluhluwe/ Corridor/ Umfolozi game reserve complex.South African Journal of Wildlife Research 13 (3): 78-85, figs. 1-3.
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Hitchins, P.M. 1978.Age determination of the black rhinoceros (Diceros bicornis Linn.) in Zululand.South African Journal of Wildlife Research 8 (2): 71-80, figs. 1-7, table 1.
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Hitchins, P.M. 1975.The black rhinoceros in South Africa.Endangered Wildlife 1 (2): 1-2, figs. 1-2, map 1.
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Hitchins, P.M.; Keep, M.E.; Rochat, K. 1972.The capture of the black rhinoceros in Hluhluwe Game Reserve and their translocation to the Kruger National Park.Lammergeyer 17: 18-30, figs. 1-3, tables 1-2.
Anderson, F.; Hitchins, P.M. 1971.A radio tracking system for the black rhinoceros.Journal of the South African Wildlife Management Association 1 (1): 26-35, figs. 1-11, tables 1-2.
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Hitchins, P.M. 1971.Preliminary findings in a radio telemetric study on the black rhinoceros in Hluhluwe Game Reserve, Zululand.S57, Symposium on biotelemetry, Pretoria: 1-15, 95-100, figs. 1-10, tables 1-4.