Reference List
1. Caldwell, J. P. 1986. Selection of egg deposition sites: a seasonal shift in the southern leopard frog, Rana sphenocephala.
Copeia 1:249-253.
2. Collins, J. T. 1993. Amphibians and reptiles in Kansas. University Press of Kansas, Lawrence, Kansas, USA.
3. Trowbridge, A. H. 1937. Ecological observations on amphibians and reptiles collected in southeastern Oklahoma during the
summer of 1934. American Midland Naturalist 18(2):285-303.