Henrich, J., McElreath, R., Barr, A., Ensminger, J., Barrett, C., Bolyanatz, A., … Ziker, J. (2006). Costly Punishment across Human Societies. Science, 312(5781), 1767–70. http://doi.org/10.1126/science.1127333
Aktipis, A. (2016). Principles of cooperation across systems: From human sharing to multicellularity and cancer. Evolutionary Applications, 9(1), 17–36. https://doi.org/10.1111/eva.12303
Boehm, C. (1999). Hierarchy in the Forest. The Evolution of Egalitarian Behavior. Cambridge, MA, USA: Harvard University Press.
Boyette, A. H., & Hewlett, B. S. (2018). Teaching in hunter-gatherers. Review of Philosophy and Psychology, 9(4), 771-797.