Glassberg, Jeffrey (1999). Butterflies through Binoculars: The East: A Field Guide to the Butterflies of Eastern North America. New York: Oxford University Press.
Stokes, Donald & Lillian, Wiliams, Ernest. (1991). Butterfly Book: The Complete Guide to Butterfly Gardening Idnetification and Behavior. Boston: Little, Brown and Company.
(Pamphlet) Tilka, David. (2005). Butterfly Gardening & Conservation. Conservation Commission of the State of Missouri.
Friday, September 11, 2009
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