1. M. Mauss, The Gift: The Form and Reason for Exchange in Archaic Societies (Routledge, 1992).
2. M. Sahlins, Stone Age Economics (Routledge, 1972).
3. N. Bird-David, “Where have all the kin gone? On hunter-gatherers’ sharing, kinship and scale” in Towards a Broader View of Hunter-Gatherer Sharing, N. Lavi, D. Friesem, Eds. (McDonald Institute for Archaeological Research, 2019), vol. N, pp. 15–22.
4. K. Marx, Capital (Penguin Random House, 1992), vol. 1.
5. G. Simmel, The Philosophy of Money (Routledge, 1978) pp. 295–303.