Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 26 references without a DOI — listed, not checked
no DOI — not checkedBultena, Gordon, Eric Hoiberg, Don Albrecht, and Peter Nowak. 1982. Land Use Planning: A Study of Farm and City Perspectives.Journal of Soil and Water Conservation 37(6): 341–344.
no DOI — not checkedBultena, Gordon, Peter Nowak, Eric Hoiberg, and Don Albrecht. 1981. Farmers’ Attitudes toward Land Use Planning.Journal of Soil and Water Conservation 36(1): 37–41.
no DOI — not checkedButtel, Frederick H., and William L. Flinn. 1974. The Structure of Support for the Environmental Movement, 1968–1970.Rural Sociology 39: 56–69.
no DOI — not checked——. 1978 Economic Growth Versus the Environment: Survey Evidence.Social Science Quarterly 57(September): 410–420.
no DOI — not checkedButtel, Frederick H., Gilbert W. Gillespie, Jr., Oscar W. Larson III, and Craig K. Harris. 1981. The Social Bases of Agrarian Environmentalism: A Comparative Analysis of New York and Michigan Farm Operators.Rural Sociology 46(3): 391–410.
no DOI — not checkedCallicott, J. Baird. 1987. The Scientific Substance of the Land Ethic. InAldo Leopold: The Man and His Legacy, edited by Thomas Tanner, pp. 87–106. Ankeny, IA: IA: Soil Conservation Society of America.
no DOI — not checkedConstance, Douglass H., Jere L. Gilles, and William D. Heffernan. 1990. Agrarian Policies and Agricultural Systems in the United States. InAgrarian Policies and Agricultural Systems, edited by Alessandro Bonanno, pp. 9–75. Boulder, CO: Westview Press.
no DOI — not checkedCrevecoeur, J. Hector St. John. 1904 [1784].Letters from an American Farmer. New York: Fox, Duffield & Company.
no DOI — not checkedCrosson, Pierre. 1982. Diverging Interests in Soil Conservation and Water Quality: Society vs. the Farmer. InPerceptions, Attitudes and Risk: Overlooked Variables in Formulating Public Policy on Soil Conservation and Water Quality. Washington, DC: Economic Research Service. (February).
no DOI — not checkedEsseks, J. Dixon, Steven E. Kraft, and Lucy K. Vinis. 1990.Agriculture and the Environment: A Study of Farmers’ Practices and Perceptions. Washington, DC: The American Farmland Trust.
no DOI — not checkedFlader, Susan. 1987. Aldo Leopold and the evolution of a land ethic. InAldo Leopold: The Man and His Legacy, edited by Thomas Tanner, pp. 3–24. Ankeny, IA: Soil Conservation Society of America.
no DOI — not checkedHall, Trish. 1992. In 90’s Cuisine, the Farmer is the Star.The New York Times. (July 8), p. C1.
no DOI — not checkedHarris, Craig K., Sharon E. Powers, and Frederick H. Buttel. 1980. Myth and Reality in Organic Farming: A Profile of Conventional and Organic Farmers in Michigan.Newsline 8: 33–43.
no DOI — not checkedLeopold, Aldo. 1949.A Sand County Almanac. New York: Oxford University Press, 1949; reprint ed., New York: Robert Finch, 1987.
no DOI — not checkedLittle, Charles E. 1985. In a Landscape of Hope.Wilderness (Spring): 21–30.
no DOI — not checkedMeine, Curt. 1987. The Farmer as Conservationist: Leopold on Agriculture. InAldo Leopold: The Man and His Legacy, edited by Thomas Tanner, pp. 39–52. Ankeny, IA: Soil Conservation Society of America.
no DOI — not checkedMolnar, Joseph J., and Patricia A. Duffy. 1987. Urban and Suburban Residents’ Perceptions of Farmers and Agriculture. InSustaining Agriculture Near Cities, edited by W. Lockeretz, pp. 119–131. Boston: Soil and Water Conservation Society of America.
no DOI — not checkedNapier, Ted L., and D. Lynn Forster. 1982. Farmer Attitude and Behavior Associated with Soil Erosion Control. InSoil Conservation Policies, Institutions and Incentives, edited by H.G. Halcrow, E.O. Heady and M.L. Cotner. Ankeny, IA: Soil Conservation Society of America.
no DOI — not checkedNash, Roderick. 1982.Wilderness and the American Mind. Binghamton, NY: Vail-Ballou Press.
no DOI — not checked——. 1987. Aldo Leopold and the Limits of American Liberalism. InAldo Leoplld: The Man and His Legacy, edited by Thomas Tanner, pp. 53–86. Ankeny, IA: Soil Conservation Society of America.
no DOI — not checkedPatton, M.Q. 1990.Qualitative Evaluation and research Methods. Newbury Park, CA: Sage Publications.
no DOI — not checkedPiasecki, Bruce. 1982. Pastoral Ideals and Environmental Problems: An Interview with Leo Marx.The Amicus Journal (Fall): 56–61.
no DOI — not checkedStegner, Wallace. 1985. Living on Our Principal.Wilderness (Spring): 15–20.
no DOI — not checkedTremblay, Kenneth R., and Riley E. Dunlap. 1978. Rural-urban Residence and Concern with Environmental Quality: A Replication and Extension.Rural Sociology 43(3): 474–491.
no DOI — not checkedWestmacott, Richard. 1983. The Conservation of Farmed Landscapes: Attitudes and Problems in the United States and Britain.Landscape Design (August): 11–14.
no DOI — not checkedWojcik, Jan. 1989.The Arguments of Agriculture: A Casebook in Contemporary Agricultural Controversy. West Lafayette, IN: Purdue University Press.
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