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"Foliar Response of Red Spruce Saplings to Fertilization with Ca and Mg in the Great Smoky Mountains National Park." Canadian Journal of Forest Research 23, no. 1 (1993): 89-95.
"Gradient Analysis of Old Spruce – Fir Forests of the Great Smoky Mountains circa 1935." Canadian Journal of Botany 71, no. 7 (1993): 951-958.
"Synchronic Large-scale Disturbances and Red Spruce Growth Decline." Canadian Journal of Forest Research 23 (1993): 1361-1374.
"Two Hundred Year Variation of Southern Red Spruce Radial Growth as Estimated by Spectral Analysis." Canadian Journal of Forest Research 23 (1993): 291-301.
"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.
"A Comparison of Overstory Community Structure in Three Southern Appalachian Spruce-Fir Forests." Bulletin of the Torrey Botanical Club 119, no. 3 (1992): 316-332.
"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.
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 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.
"Expected Stand Behavior: Site Quality Estimation for Southern Appalachian Red Spruce." Forest Ecology and Management 47, no. 1 (1992): 39-50.
"Growth and Physiological Changes in Red Spruce Saplings Associated with Acidic Deposition at High Elevations in the Southern Appalachians, USA." Forest Ecology and Management 51, no. 1-3 (1992): 43-51.
"Prevalence of Individual-Tree Growth Decline in Red Spruce Populations of Southern Appalachian Mountains." Canadian Journal of Forest Research 22, no. 6 (1992): 905-914.
"Seasonal variation in nitrate reductase activity in needles of high-elevation red spruce trees." Canadian Journal of Forest Research 22, no. 3 (1992): 375-380.
"Seedling Recruitment and Stand Regeneration in Spruce-Fir Forests of the Great Smoky Mountains." Bulletin of the Torrey Botanical Club 119, no. 3 (1992): 289-299.
"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.
"Changes in the Spruce-fir Avifauna of Mt. Guyot, Tennessee, 1967-1985." Journal of the Tennessee Academy of Science 66, no. 4 (1991): 207-209.
"A Comparison of Seasonal Patterns of Photosynthate Production and Use in Branches of Red Spruce Saplings at Two Elevations." Canadian Journal of Forest Research 21, no. 4 (1991): 455-461.
"Increased Dark Respiration and Calcium Deficiency of Red Spruce in Relation to Acidic Deposition at High-elevation Southern Appalachian Mountain Sites." Canadian Journal of Forest Research 21 (1991): 1234-1244.
"The Latitude-Elevation Relationship for Spruce-Fir Forest and Treeline along the Appalachian Mountain Chain." Vegetatio 94, no. 2 (1991): 153-175.
"Nutrient Cycling in Red Spruce Forests of the Great Smoky Mountains." Canadian Journal of Forest Research 21, no. 6 (1991): 769-787.
"Seasonal Changes in Shoot Water Relations of Picea rubens at Two High Elevation Sites in the Smoky Mountains." Tree Physiology 8, no. 1 (1991): 11-21.
Effects of Acidic Precipitation on the Soil Chemistry and Bioavailability of Aluminum, Manganese, and Copper. Oak Ridge, TN: Oak Ridge National Laboratory, 1990.
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.
