- Kushmaul, R. J., and M. D. Cain. 1981. Gulf Costal Plain, southern Mississippi, Louisiana, and eastern Texas. Pages 40-49 in J. E. Coster and J. L. Searcy (eds.), Site, stand and host characteristics of southern pine beetle infestations. United States Department of Agriculture, Forest Service, Combined Forest Pest Research and Development Program, Technical Bulletin 1612. 115 p.
- Kushmaul, R. J., M. D. Cain, C. E. Rowell, and R. L. Porterfield. 1979. Stand and site conditions related to southern pine beetle susceptibility . Forest Science 25:656-664.