Bibliography
Wright, A. H., and A. A. Wright . 1949. Handbook of Frogs and Toads of the United States and Canada. Third Edition [Ithaca, New York, U.S.A.]: Comstock Publishing Associates.
Wright, A. H., and A. A. Wright . 1949. Handbook of Frogs and Toads of the United States and Canada. Third Edition [Ithaca, New York, U.S.A.]: Comstock Publishing Associates.
