Knutson, M. G., J. R. Sauer, D. A. Olsen, M. J. Mossman, L. M. Hemesath, and M. J. Lannoo. 1999. Effects of landscape composition and wetland fragmentation on frog and toad abundance and species richness in Iowa and Wisconsin, USA. Conservation Biology 13:1437-1446.
Knutson, M. G., J. R. Sauer, D. O. Olsen, M. J. Mossman, L. H. Hemesath, and M. J. Lannoo. 2000. Landscape associations of frog and toad species in Iowa and Wisconsin, U.S.A. Journal of the Iowa Academy of Sciences 107:134-145.
Mossman, M. J., and R. Hine. 1984. The Wisconsin frog and toad survey: establishing a long-term monitoring program (Wisconsin Endangered Resources Report 9). Wisconsin Department of Natural Resources, Madison, Wisconsin.
Mossman, M. J., and R. L. Hine. 1985. Wisconsin's frog and toad survey, 1984 (Wisconsin Endangered Resources Report 16). Wisconsin Department of Natural Resources, Madison, Wisconsin.
Mossman, M. J., L. M. Hartman, R. H. Hay, J. R. Sauer, and B. J. Dhuey. 1998. Monitoring long-term trends in Wisconsin frog and toad populations. In M. J. Lannoo (ed.), Status and Conservation of Midwestern Amphibians, pp. 169-198. University of Iowa Press, Iowa City, IA. (article in book)
