- Foiles, M. W. 1972. Responses in a western white pine stand to commercial thinning methods. United States Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, Research Note INT-159. 8 p.
- Furniss, M. M., M. D. McGregor, M. W. Foiles, and A. D. Partridge. 1979. Chronology and characteristics of a Douglas-fir beetle outbreak in northern Idaho. United States Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, General Technical Report INT-59. 19 p.