1. Alston, William P. 2005. Beyond Justification. Dimensions of Epistemic Justification. Ithaca: Cornell University Press.
2. Austin, Alfredo Lopêz, and Leonardo Lopêz Lujan. 2008. Aztec Human Sacrifice. In The Aztec World, ed. Elisabeth M. Brumfiel and Gary M. Feinman, 137–152. New York: Harry N. Abrams, Inc.
3. Barrett, H.C. 2015. The Shape of Thought. How Mental Adaptations Evolve. Oxford: Oxford University Press.
4. Baumard, Nicolas, and Pascal Boyer. 2013. Explaining Moral Religions. Trends in Cognitive Sciences 17 (6): 272–280.
5. Boyer, Pascal. 2002. Religion Explained. The Human Instincts that Fashion Gods, Spirits and Ancestors. London: Vintage.