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Wilkinson, Todd. "Losing the Forest and the Trees." National Parks 76, no. 11-12 (2002): 18-22.
"Park To Release More Predator Beetles." Asheville Citizen-Times (2013).
Parks, Amanda M.. Population Dynamics and Conservation Genetics of Butternut in Great Smoky Mountains National Park. West Lafayette, IN: Purdue University , 2011.
McCann, David P., and William L. MacDonald. "Preliminary Report of Ecological Factors Influencing Incidence and Severity of Beech Bark Disease in the Appalachian Region." In Proceedings, 18th Central Hardwood Forest Conference; 2012 March 26-28; Morgantown, WV, 169-181. U.S. Department of Agriculture, Forest Service, 2013.
Klein, Richard M., and Timothy D. Perkins. "Primary and Secondary Causes and Consequences of Contemporary Forest Decline." The Botanical Review 54, no. 1 (1988): 1-43.
Amman, Gene D.. Progress Report: Evaluation of Laricobius Pilot Test, 1963. Asheville, NC: U.S. Department of Agriculture, Forest Service, 1963.