1. Anonymous. 2003. www.weathersa.co.za: South African Weather Service.
2. Anonymous. 2004a. www.cdc.gov/nchs/data/nhanes/t14.pdf: Third National Health and Nutrition Evaluation Survey, 1988-1994.
3. Anonymous. 2004b. www.cdc.gov/nchs/data/nhanes/t15.pdf: Third National Health and Nutrition Survey, 1988-1994.
4. 2003. Written in bones: how human remains unlock the secrets of the dead. Toronto: Firefly Books, Ltd.
5. 1996. The symbolic construction of communities during the Holocene Later Stone Age in the south-eastern Cape. D.Phil. thesis, University of the Witwatersrand, Johannesburg, South Africa.