42:1–39.
Wrangham, Richard W. 2018. “Two types of aggression in human evolution”. PNAS 115 (2):245–253; doi:10.1073/pnas.1713611115.
Wrangham, Richard W., Dale Peterson. 1996. Demonic Males: Apes and the Origins of Human Violence. Boston: Houghton Mifflin.
Wrangham, Richard W., Michael L. Wilson, Martin N. Muller. 2006. “Comparative rates of aggression in chimpanzees and humans”. Primates 47:14–26.
Wrangham, R. W., L. Glowacki. 2012. “War in chimpanzees and nomadic hunter-gatherers: Evaluating the chimpanzee model”. Human Nature 23:5–29.
Wright, Robert. 1994. The Moral Animal. New York: Pantheon.
Wrinch, Pamela N. 1951. “Science and politics in the U. S. S. R.: The genetics debate”. World Politics 3 (4):486–519.
Wyden, Peter. 1979. Bay of Pigs: The Untold Story. New York: Simon and Schuster.
Wynn, Thomas, Karenleigh A. Overmann, Frederick L. Coolidge. 2016. “The false dichotomy: A refutation of the Neandertal indistinguishability claim”. Journal of Anthropological Sciences 94:201–221.
Xu, Jiaquan, Sherry L. Murphy, Kenneth D. Kochanek, Brigham A. Bastian. 2016. “Deaths: Final data for 2013”. National Vital Statistics Reports 64 (2):1–118.
Yamakoshi, Gen. 2004. “Food seasonality and socioecology in Pan: Are West African chimpanzees another bonobo?” African Study Monographs 25 (1):45–60.
Young, Lindsay C., Eric A. VanderWerf. 2014. “Adaptive value of same-sex pairing in Laysan albatross”. Proceedings of the Royal Society B 281:20132473.
Zammito, John H. 2006. “Policing polygeneticism in Germany, 1775: (Kames,) Kant, and Blumenbach”. In The German Invention of Race, edited by Sara Eigen, Mark Larrimore. Albany: State University of New York Press, pp. 35–54.
Zefferman, Matthew R., Sarah Mathew. 2015. “An evolutionary theory of large-scale human warfare: Group-structured cultural selection”. Evolutionary Anthropology 24:50–61.
Zegwaard, G. A. 1959. “Head-hunting practices of the Asmat of Netherlands New Guinea”. American Anthropologist 61:1020–1041.
Zollikofer, Christoph P. E. 2012. “Evolution of hominin cranial ontogeny”. In Progress in Brain Research, edited by M. A. Hofman and Dean Falk (Amsterdam: Elsevier), pp. 273–292.