References

• Elias, T.S. 1980. The Complete Trees of North America. Outdoor Life/Nature Books. New York: Van Nostrand Reinhold Co.
• Harlow, W.M., and E.S. Harrar. 1969. Textbook of Dendrology.New York: McGraw-Hill Inc.
• Harrar, E.S., and J.G. Harrar. 1962.Guide to Southern Trees.New York: Dover Publications.
• Kundt, J.F., and R.L. Baker. 1970. Leaf Key to Common Trees in Maryland. Maryland Cooperative Extension Service.  Bulletin 238.  College Park, MD.
• Petrides, G.A. 1972. A Field Guide to Trees and Shrubs. Peterson Field Guide 11.  Boston: Houghton Mifflin Co.
• Phillips, Claude E. 1975. Trees of Delaware and the Eastern Shore: A Guide to Their Identification in Winter. Newark, DE: University of Delaware Press.
• Preston, R.J. 1976. North American Trees.  Ames, Iowa: Iowa State University Press.
• U.S. Dept. of Agriculture Forest Service. 1988. Forest Statistics for Maryland—1976 and 1986.  Resource Bulletin NE-107.  Washington, DC.
• Zim, H.S., and A.C. Martin. 1956. Trees. New York: Golden Press.