2Faulkner, V. ( ed. ). Willa Cather's Collected Short Fiction ( Vol U ) [ M]. Lincoln and London: University of Nebraska Press, 1965.
3Kellert, S. R. & J. Timothy, F. ( eds. ). The Good in Nature and Humanity: Connecting Science, Religion, and Spirituality with the Natural World[ M ]. Washington : Island Press,2002.
4King, Y. The ecology of feminism and the feminism of ecology [A]. In Judith, P. (ed.). Healing the Wounds: The Promise of Ecofeminism[ M ]. Philadelphia, PA: New Society Publishers, 1989.
5Olson, S. " Wilderness : A Human Need" Unmanaged Landscapes: Voices for Untamed Nature [ M ]. Bill, W. ( ed. ). Washington, D. C. :Island Press,1999.
6Rosowski, S. J. Willa cather's subverted endings and gendered time [ A ]. Cather Studies. Vol. 1 [ C ]. Susan, J. R. ( ed. ). Lincoln: Uni- versity of Nebraska Press, 1990.
7Rosowski, S. J . Birthing a Nation: Gender, Creativity and the West in American Literature[ M]. Lincoln:University of Nebraska Press,1999.
8Warren, K. J. Ecofeminist Philosophy: A Western Perspective on What It Is and Why It Matters[ M ]. Maryland: Rowman & Littlefield Publishers, Inc. , 2000.