- Filer, T. H. 1966. Phloem necrosis of American elm in the Mississippi Delta . Plant Disease Reporter 50:751.
- Solomon, J. D., F. I. McCracken, R. L. Anderson, R. Lewis, F. L. Oltveria, T. H. Filer, and P. J. Barry. 1987. Oak pests: a guide to major insects, diseases, air pollution and chemical injury. United States Department of Agriculture, Forest Service, Southern Forest Experiment Station, New Orleans, Louisiana, Protection Report R8-PR7. 70 p.