1. Backwell, L.R., 2000. A Critical Assessment of Southern African Early Hominid Bone Tools. MSc. dissertation, University of the Witwatersrand, South Africa.
2. Evidence of termite foraging by Swartkrans early hominids;Backwell;Proceedings of the National Academy of Sciences of the United States of America,2001
3. Additional evidence on the early hominid bone tools from Swartkrans with reference to spatial distribution of lithic and organic artefacts;Backwell;South African Journal of Science,2003
4. A reassessment of the Olduvai Gorge ‘bone tools’;Backwell;Palaeontologia Africana,2004
5. The origin of bone tool technology and the identification of early hominid cultural traditions;Backwell,2005