Reproductive characteristics of male Florida panther: comparative studies from Florida, Texas, Colorado, Latin America and North American zoosv. 75No. 1150–162
Barone, Mark A., Roelke, Melody E., Howard, JoGayle, Brown, Janine L., Anderson, Allen E., and Wildt, David E. 1994. "Reproductive characteristics of male Florida panther: comparative studies from Florida, Texas, Colorado, Latin America and North American zoos." Journal of Mammalogy, 75, (1) 150–162.