1. Butterflies East of the Great Plains;Opler,1984
2. The Butterflies of North America;Scott,1986
3. Butterflies through Binoculars: The East;Glassberg,1999
4. Rare, Declining, and Poorly Known Butterflies and Moths (Lepidoptera) of Forests and Woodlands in the Eastern United States,2009
5. The Endangered and Threatened Invertebrates of Wisconsin,1999