- Hobbs, E. L., and D. G. Holland. 1983. Evaluation of mountain pine beetle and dwarf mistletoe damage in Dark Canyon, Uinta-Ouray Indian Reservation, Utah. United States Department of Agriculture, Forest Service, Intermountain Region, State and Private Forestry, Forest Pest Management Report 83-14. 12 p.
- Holland, D. G. 1971. Evaluation of two insecticide bioassay techniques. Abstract. Entomological Society of America, North Central Branch, Proceedings 26:93.
- Holland, D. G. 1983. Biological evaluation of spruce beetle in Mill Hollow, Heber Ranger District, Unita NF-1981. United States Department of Agriculture, Forest Service, Intermountain Region, State and Private Forestry, Forest Pest Management, Report 83-4. 12 p.
- Holland, D. G. 1984. Biological evaluation to assess mountain pine beetle activity in stand 16, compartment 44 on the Flaming Gorge Ranger District, Ashley N. F., 1983. United States Department of Agriculture, Forest Service, Intermountain Region, State and Private Forestry, Forest Pest Management, Report 84-1. 5 p.
- Holland, D. G., and B. M. Tkacz. 1984. Forest insect and disease conditions: Intermountain Region, 1983. United States Department of Agriculture, Forest Service, Intermountain Region, State and Private Forestry, Ogden, Utah. 24 p.
- Schreuder, H. T., W. H. Clerke, P. J. Barry, and D. M. Holland. 1980. Two-stage stratified sampling with regression to assess southern pine beetle damage. United States Department of Agriculture, Forest Service, Southern Forest Experiment Station, Research Paper SE-212. 6 p.
- Tkacz, B. M., and D. G. Holland. 1983. An evaluation of disease and insect conditions in the Navajo Lake Basin, Cedar City Ranger District, Dixie National Forest. United States Department of Agriculture, Forest Service, Intermountain Region, State and Private Forestry, Forest Pest Management, Report R4-82-3. 27 p.
- Holland, D. 1994. Western bark beetle pheromones research, development, and application program. Pages 3-4 In Patrick J. Shea (tech. coord.), Proceedings of the Symposium on Management of Western Bark Beetles with Pheromones: Research and Development, Kailua-Kona, Hawaii, June 22-25, 1992. United States Department of Agriculture, Forest Service, Pacific Southwest Research Station (Albany, CA), General Technical Report PSW-GTR-150.