Field, David B. 1999. The Economic Importance of Maine's Forestry Sector. A paper presented at the seminar of the Future of Jobs in Maine's Forest Products and Paper Industry. December. University of Maine, Orono, ME.

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Irland, L.C. 2000. Maine Forests: A Century of Change, 1900-2000...and elements of policy change for a new century. Maine Policy Review. Vol. 9(1):66-76. University of Maine, Orono, ME.

Krohn, W.B., R.B. Boone, S.A. Sader, J.A. Hepinstall, S.M. Schaefer, and S.L. Painton. 1998. Maine Gap Analysis-a geographic analysis of biodiversity. Final contract report to USGS Biological Resources Division, Gap Analysis Program, Moscow, ID.

Wagner, R.G., R.S. Seymour, and D.B. Field. 2000. Scientific Basis and Implications for the November 2000 Maine Referendum: An Act Regarding Forest Practices. Series 4: Forestry 2000, College of Natural Sciences, Forestry and Agriculture white papers, University of Maine, Orono, ME.