CallicottJ.B.1987. “The Conceptual Foundations of the Land Ethic”. In CallicottJ. B. (ed.) Companion to a Sand County Almanac, pp. 186–119. Madison, Wisconsin, University of Wisconsin Press.
3.
CallicottJ.B.1989. Review of Tom Regan, The Case for Animals Rights. In CallicottJ. B., In Defence of the Land Ethic: Essays in Environmental Philosophy, pp. 39–47. Albany, New York, State University of New York Press.
4.
WarwickFox1990. Toward a Transpersonal Ecology: Developing New Foundations for Environmentalism. Boston, Shambhala.
5.
FreyaMathews1991. The Ecological Self. London, Routledge.
6.
AndrewMcLaughlin1993. Regarding Nature: Industrialism and Deep Ecology. Albany, New York, State University of New York Press.
7.
MaryMidgley1983. Animals and Why They Matter. Athens, Georgia, University of Georgie Press.
8.
RoderickNash1990. The Rights of Nature: A History of Environmental Ethics. Leichardt, New South Wales, Primavera Press.
9.
TomRegan1983. The Case for Animal Rights. Berkeley, University of California Press.
10.
JohnRodman1977. “The Liberation of Nature?” Inquiry20: 83–145.
11.
PeterSinger1975. Animal Liberation, New York, The New Review.
12.
ChristopherStone1974. Should Trees Have Standing?: Toward Legal Rights for Natural Objects. Los Altos, California, William Kaufmann.
13.
PaulTaylor1986. Respect for Nature: A Theory of Environmental Ethics. Princeton, New Jersey, Princeton University Press.
14.
PeterWenz1988. Environmental Justice. Albany, New York, State University of New York Press.
