Bibliography
Pace, A. E. 1974. Systematic and biological studies of the leopard frogs (Rana pipiens complex) of the United States. Miscellaneous Publications. Museum of Zoology, University of Michigan 148: 1-140.
Pace, A. E. 1974. Systematic and biological studies of the leopard frogs (Rana pipiens complex) of the United States. Miscellaneous Publications. Museum of Zoology, University of Michigan 148: 1-140.
