1. Abram, D. (1995). Merleau-ponty and the voice of the earth. In M. Oelsclaeger (ed.), Postmodern environmental ethics (pp. 57–78). Albany: State University of New York Press.
2. Abram, D. (1996). The spell of the sensuous. New York: Vintage Books.
3. Bonnett, M. (2003). Retrieving nature, education for a post-humanist age. Journal of Philosophy of Education, 37(4), Special issue.
4. Bonnett, M. (2004). Lost in space? Education and the concept of nature. Studies in Philosophy and Education, 23, 117–130.
5. Bowers, C. A. (1997). The culture of denial: Why the environmental movement needs a strategy for reforming universities and public schools. Albany: State University of New York Press.