1. Ahler, Stanley A. 1986The Knife River Flint Quarries: Excavations atSite 32DU508. State Historical Society of North Dakota, Bismarck.
2. Andrefsky, William, Jr. 1998 Lithics. Cambridge University Press, New York.
3. Bamforth, Douglas B. 1991b Population Dispersion and Paleoindian Technology at the Allen Site. In Raw Material Economies Among Prehistoric HunterGatherers, edited by A. Montet-White and S. Holen, pp. 357-374. Publications in Anthropology 19. University of Kansas, Lawrence.
4. Beaton, John M. 1991 Colonizing Continents: Some Problems from Australia and the Americas. In The First Americans: Search and Research, edited by T.D. Dillehay and D.J. Meltzer, pp. 209-230. CRC Press, Boca Raton.
5. Biella, Peter, N.A. Chagnon, and Gary Seaman 1997 Yanomamo Interactive: The Ax Fight (CD-Rom). Harcourt Brace Jovanovich College Publishers, New York.