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Ecology and Decline of Red Spruce in the Eastern United States In Ecological Studies: Analysis and Synthesis. Vol. 96. New York, NY: Springer-Verlag, 1992.
The Great Smokies and the Blue Ridge: The Story of the Southern Appalachians. New York: The Vanguard Press, 1943.
"Characterization of Eastern U.S. Spruce-Fir Soils." In Ecology and Decline of Red Spruce in the Eastern United States, 40-63. Vol. 96. New York, NY: Springer-Verlag, 1992.
"Condition and Recent Trends in High-Elevation Red Spruce Populations." In Ecology and Decline of Red Spruce in the Eastern United States, 125-191. Vol. 96. New York, NY: Springer-Verlag, 1992.
"The Dendroecology of Red Spruce Decline." In Ecology and Decline of Red Spruce in the Eastern United States, 192-231. Vol. 96. New York, NY: Springer-Verlag, 1992.
"The Effects of Atmospheric Deposition and Ozone on Carbon Allocation and Associated Physiological Processes in Red Spruce." In Ecology and Decline of Red Spruce in the Eastern United States, 338-382. Vol. 96. New York, NY: Springer-Verlag, 1992.
"Soil Mediated Effects of Atmospheric Deposition on Eastern U.S. Spruce-Fir Forests." In Ecology and Decline of Red Spruce in the Eastern United States, 235-270. Vol. 96. New York, NY: Springer-Verlag, 1992.
"Spruce-fir Forests of Eastern North America." In Ecology and Decline of Red Spruce in the Eastern United States, 3-39. Vol. 96. New York, NY: Springer-Verlag, 1992.
"Through the Year in the Great Smoky Mounatins National Park, Month by Month." In The Great Smokies and the Blue Ridge: The Story of the Southern Appalachians, edited by Roderick Peattie, 263-289. New York: The Vanguard Press, 1943.
"Censuses of a Breeding Bird Population in a Virgin Spruce-Fir Forest on Mt. Guyot, Great Smoky Mountains National Park, Before and After Balsam Wooly Aphid Infestation." In Twelfth Annual Scientific Research Meeting, Great Smoky Mountains National Park. Johnson City, Tennessee: National Park Service, Southeast Regional Office, 1986.
"A Survey of Growth-Trend Decline in Spruce in the Great Smoky Mountains National Park as Influenced by Topography, Age, and Stand Development." In Eleventh Annual Scientific Research Meeting, edited by James D. Wood, 38-40. Gatlinburg, Tennessee: U.S. Department of the Interior National Park Service, 1985.
Albany II: An Update on Southern Appalachian Spruce-Fir Site and Stand Characteristics In The Second Workshop on Integration of Red Spruce Biological Data with Atmospheric Data. Albany, NY: Department of Forestry, Virginia Polytechnic Institute and State University, 1988.
Forest Decline and Regeneration Success of the Great Smoky Mountains Spruce-Fir In First Annual Southern Appalachian Man and the Biosphere Conference. Gatlinburg, TN: Tennessee Valley Authority, 1990.
Interactive Effects of Natural and Anthropogenic Factors on Growth and Physiology of Southern Red Spruce In US/FRG Research Symposium: Effects of Atmospheric Pollutants on the Spruce-Fir Forests of the Eastern United States and the Federal Republic of Germany: October 19-23, 1987, Edited by Gerard Hertel. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1988.
Nitrogen Dynamics in High-Elevation Spruce Sites in the Great Smoky Mountains National Park In First Annual Southern Appalachian Man and the Biosphere Conference. Gatlinburg, TN: Tennessee Valley Authority, 1990.
Proceedings Fifth Annual Gatlinburg Acid Rain Conference In Gatlinburg Acid Rain Conference. Gatlinburg, TN: Tennessee Valley Authority, 1988.
Proceedings Fourth Annual Gatlinburg Acid Rain Conference In Gatlinburg Acid Rain Conference. Gatlinburg, TN: Tennessee Valley Authority , 1987.
Proceedings Sixth Annual Gatlinburg Acid Rain Conference In Gatlinburg Acid Rain Conference. Gatlinburg, TN: Tennessee Valley Authority, 1989.
The Relationship Between Stand Age and Soil Nitrate Levels in High Elevation Red Spruce In First Annual Southern Appalachian Man and the Biosphere Conference. Gatlinburg, TN: Tennessee Valley Authority, 1990.
Stand Characteristics Associated with Potential Decline of Spruce-Fir Forests in the Southern Appalachians In Proceedings of the US/FRG Research Symposium: Effects of Atmospheric Pollutants on the Spruce-Fir Forests of the Eastern United States and the Federal Republic of Germany. Burlington, VT: U.S.D.A. Forest Service, 1988.
Analyses of Great Smoky Mountain Red Spruce Tree Ring Data. New Orleans, La.: U. S. Department of Agriculture, Forest Service, Southern Forest Experiment Station, 1988.
Spruce growing out of black birch. The University of Tennessee Libraries Digital Collections: Thompson Brothers Digital Photograph Collection, 1920.
"Acid Deposition Alters Red Spruce Physiology: Laboratory Studies Support Field Observations." Canadian Journal of Forest Research 23, no. 3 (1993): 380-386.
"Acidic Deposition, Ecosystem Processes, and Nitrogen Saturation in a High Elevation Southern Appalachian Watershed." Water Air and Soil Pollution 85, no. 3 (1995): 1647-1652.
"Algae Associated with Myxomycetes and Leafy Liverworts on Decaying Spruce Logs." Castanea 72, no. 1 (2007): 50-57.
