Reynolds, John W.. "The Effects of Altitude, Soil Moisture and Soil Acidity on Earthworm (Oligochaeta: Acanthodrilidae and Lumbricidae) Density, Biomass and Species Diversification in Liriodendron tulipifera L. Stands in Two Areas of East Tennessee." The ASB Bulletin 18, no. 2 (1971): 52.