Walker, C.H. 1999. Lightning disaster in Lapalala Wilderness. Rhino Watch 12 in SA Game & Hunt 5 (3): 29, figs. 1-2.
Walker, C.H. 1998. Rhino museum first in Africa. African Venture 1 (2): 20.
Walker, C.H. 1997. Rhino Museum. REF Journal 11: 42-43, figs. 1-2.
Walker, C.H. 1997. Waterberg Museum. Pamphlet: pp. 1-4.
Walker, C.H. 1997. Rhino Museum in the Waterberg Mountains of the Northern province, South Africa. Pachyderm 23: 44-45, fig. 1.
Walker, C.H. 1997. Comments on CITES and trading in rhino horn products. Rhino Watch 5: 1.
Walker, C.H. 1996. Signs of the wild: a field guide to the spoor & signs of the mammals of Southern Africa, 5th ed. Cape Town, Struik. pp. 1-215.
Walker, C.H. 1996. The Angola connection. REF Journal 10: 10-14, fig. 1.
Walker, C.H. 1996. Chairman’s report to the Rhino & Elephant Foundation for the period April 1995 to March 1996. REF Journal 10: 37-40, fig. 1.
Walker, C.H. 1996. Comment on CITES. REF Journal 10: 5-6.
Walker, C.H. 1995. The Rhino and Elephant Foundation. African Panorama 40 (4): 50-54, figs. 1-6.
Walker, C.H. 1994. Our turn next. REF Journal 9: 6-10.
Walker, C.H. 1994. Rhinos in Africa – the present situation..
Walker, C.H. 1994. Black rhino on private land – the experience of Lapalala Wilderness, South Africa.
Walker, C.H. 1994. Black rhino on private land – the experience of Lapalala Wilderness, South Africa. Pachyderm 18: 44-45.
Walker, C.H. 1993. The spotlight turns. REF Journal 8: 2-3.
Walker, C.H. 1993. Bwana goes home. Wilderness Sanctuary 18: 20-21, figs. 1-3.
Walker, C.H. 1992. In private – Kenya rhino sanctuaries offer lessons in survival. REF Journal 7: 10-14, figs. 1-5.
Walker, C.H. 1992. Black rhino gives birth at Lapalala Wilderness. Diversions 3 (11): 62-63, fig. 1.
Walker, C.H. 1992. Boma management, construction and techniques for a founder population of black rhinos (Diceros bicornis minor) as applied in Lapalala Wilderness, South Africa. Pachyderm 15: 40-45.
Walker, C.H. 1992. Botswana’s rhinos. Newsletter Okavango Wildlife Society 1992 (2): 7.
Walker, C.H. 1992. Chairman’s report to the Rhino & Elephant Foundation annual general meeting for March 1990 to April 1991. REF Journal 6: 30-32, figs. 1-3.
Walker, C.H. 1992. Rhino poaching. REF News no. 7: 7.
Walker, C.H. 1991. Profile: Dr Ian Player. REF Journal 5: 2-3, fig. 1.
Walker, C.H. 1991. Black rhinos sold to private owner in Southern Africa. Pachyderm 14: 48.






