2003 First excavation of intact Middle Stone Age layers at Ysterfontein, Western Cape Province, South Africa: implications for Middle Stone Age ecology. Journal of Archaeological Sciences 30 (in press) (with D. Halkett, T. Hart, R. Yates, J. E. Parkington, J. Orton, R. G. Klein, K. Cruz-Uribe, & G. Avery)
Excavation of buried Late Acheulean (Mid-Quaternary) land surfaces at Duinefontein 2, Western Cape Province, South Africa. Journal of Archaeological Sciences 30:559-575 (with K. Cruz-Uribe, R. G. Klein, G. Avery, M. Avery, D. Halkett, T. Hart, R. G. Milo, & C. G. Sampson).
1999 Duinefontein 2: An Acheulean site in the Western Cape Province of South Africa. Journal of Human Evolution 37:153-190 (with R. G. Klein, G. Avery, K. Cruz-Uribe, D. Halkett, T. Hart, & R. G. Milo)
1991 Dating, archaeology and human fossils from the Middle Stone Age levels of Die Kelders, South Africa. Journal of Human Evolution 21:363-395 (with F. E. Grine and R. G. Klein)
1986 Last interglacial sea levels and coastal caves in the Cape Province, South Africa. Quaternary Research 25:189-198 (with Q. B. Hendey).
1984 Early prehistory of southern Africa. In: Klein, R. G. (ed.) Southern African Prehistory and Paleoenvironments: 169-220. Rotterdam: A. A. Balkema.
1981 The Middle Stone Age in the Southern Cape. Ph.D. dissertation, University of Chicago, Department of Anthropology.
1978 Early archaeological evidence for shellfish collecting. Science 201:911-913