- Harrar, J. G., and R. P. Ellis. 1940. The biology of a species of Beauveria from the southern pine bark beetle [abstract] . Virginia Academy of Sciences, Proceedings 1:211.
- Harrar, J. G., and J. G. Martland. 1940a. A fungus parasite of the pine bark beetle . Phytopathology 30:8.
- Harrar, J. G., and J. G. Martland. 1940b. The etiology of the Beauveria disease of Dendroctonus frontalis [abstract] . Virginia Academy of Sciences, Proceedings 1:211.
- Stakman, E. C., and J. G. Harrar. 1957. Principles of plant pathology [Scolytidae, p. 244-245]. Ronald Press, New York. 581 p.