Darwent, John:

Darwent, John, and Michael J. O’Brien
  2006  Using Cladistics to Construct Lineages of Projectile Points from Northeastern Missouri. In Mapping Our Ancestors: Phylogenetic Approaches in Anthropology and Prehistory, edited by Carl P. Lipo, Micha el J. O’Brien, Mark Collard, and Stephen J. Shennan, pp. 185-208. Aldine, New York.

O’Brien, Michael J., John Darwent, and R. Lee Lyman
  2001  Cladistics Is Useful for Reconstructing Archaeological Phylogenies: Palaeoindian Points from the Southeastern United States. Journal of Archaeological Science 28: 1115-1136.

O’Brien, Michael J., R. Lee Lyman, and John Darwent
  2000 l; Time, Space, and Marker Types: James A. Ford’s 1936 Chronology for the Lower Mississippi Valley. Southeastern Archaeology 19 (1): 46-62.

O’Brien, Michael J., R. Lee Lyman, Youssef Saab, Elias Saab, John Darwent, and Daniel S. Glover
  2002  Two Issues in Archaeological Phylogenetics: Taxon Construction and Outgroup Selection. Journal of Theoretical Biology 215: 133-150.