1. Realist Social Theory
2. Becker, G. 1976. The Economic Approach to Human Behaviour. Chicago: Chicago University Press.
3. Durkheim, E. 1968. Les Formes Elementaires de la Vie Religieuse. Paris: Presses Universitaires de France.
4. Edelman, G. 1987. Neural Darwinism: the theory of Neuronal Group Selection. New York: Basic Books.
5. Foucault, M. 1970. The Order of Things. New York: Random House.