Bibliography
Dickerson, M. C. 1906. The Frog Book; North American Toads and Frogs, with Study of the Habits and Life Histories of Those of the Northeastern States [New York]: Doubleday, Page & Company.
Dickerson, M. C. 1906. The Frog Book; North American Toads and Frogs, with Study of the Habits and Life Histories of Those of the Northeastern States [New York]: Doubleday, Page & Company.
