Abusch, T. (2001) The development and meaning of the Epic of Gilgamesh: An interpretive essay. Journal of the American Oriental Society
Atran, S. (2010b) Talking to the enemy: Violent extremism, sacred values, and what it means to be human. Penguin.
Atran, S. & Henrich, J. (2010) The evolution of religion: How cognitive by-products, adaptive learning heuristics, ritual displays, and group competition generate deep commitments to prosocial religions. Biological Theory: Integrating Development, Evolution, and Cognition
Atran, S. & Medin, D. (2008) The native mind and the cultural construction of nature. MIT Press.
Baumard, N., Hyafil, A., Morris, I. & Boyer, P. (2015) Increased affluence explains the emergence of ascetic wisdoms and moralizing religions. Current Biology
25(1):10–15. doi: 10.1016/j.cub.2014.10.063.
Beit-Hallahmi, B. (1997) The psychology of religious behavior, belief and experience. Psychology Press.
Foltz, R. (2004) Spirituality in the land of the noble: How Iran shaped the world's religions. Oneworld.
Graeber, D. (2012) Debt: The first five thousand years. Melville House.
Hedrick, L., ed. (2006) Xenophon's Cyrus the Great. Saint Martin's Griffin.
Lawson, J. (2001) Mesopotamian precursors to the Stoic concept of Logos. In: Mythology and mythologies: Methodological approaches to intercultural influences. ed. Whiting, R. M., pp. 68–91. The Neo-Assyrian Text Corpus Project.
Norris, P. & Inglehart, R. (2011) Sacred and secular: Religion and politics worldwide, second edition. Cambridge University Press.
Rappaport, R. A. (1999) Ritual and religion in the making of humanity. Cambridge University Press.
Roes, F. L. (1995) The size of societies, stratification, and belief in high gods supportive of human morality. Politics and the Life Sciences
Taylor, B. (2008) The encyclopedia of religion and nature, vol 2. Bloomsbury Academic.