Sources:
Cronon, William. Changes in the Land: Indians, Colonists, and the Ecology of New England New York: Hill and Wang, 1983.
Merchant, Carolyn. Major Problems in American Environmental History. New York: Houghton Mifflin, 2004.
Donald Worster, "Transformations of the Earth: Toward an Agroecological Perspective in History," A Roundtable: Environmental History, Journal of American History, 76, no. 4, March 1990, pp. 1087-1106. Selection quoted from Merchant, Carolyn. Major Problems in American Environmental History. New York: Houghton Mifflin, 2004. p. 4.
Worster as quoted in Merchant, p. 5.