Williamson, Michael J., and Michael R. Pelton. "Some Hematological Parameters of European WIld Hogs." Journal of the Tennessee Academy of Science 51, no. 1 (1976): 25-28.

Williamson, Michael J., and Michael R. Pelton. Some biochemical parameters of serum of European wild hogs In Southeastern Game and Fish Commission Conference. Vol. 29., 1975.

Williamson, Michael J., and Michael R. Pelton. Some Biochemical Parameters of Serum of European Wild Hogs In Proceedings of the 29th Annual Conference of the Southeastern Association of Game and Fish Commissioners., 1974.

Williamson, Michael J.. Some Hematological and Serum Biochemical Parameters of European Wild Hogs (Sus Scrofa). Knoxville, TN: The University of Tennessee, 1972.

Williamson, Michael J., and Michael R. Pelton. "New Design for a Large Portable Mammal Trap." Proceedings of the 25th Annual Conference of the Southeastern Association of Game and Fish Commissioners 25 (1971): 315-322.