- Bennett, D. D., and W. E. Bousfield. 1979. A pilot survey to measure annual mortality caused by the mountain pine beetle in lodgepole pine on the Beaverhead and Gallatin National Forets, Montana, 1978. United States Department of Agriculture, Forest Service, Northern Region, Report 79-20. 13 p.
- Bousfield, W. E., and C. E. Carlson. 1978. Northern Region (R-1). Pages 3-6 in H. D. Brown and P. W. Orr, Forest insect and disease conditions in the United States 1976. United States Department of Agriculture, Forest Service. vi + 40 p.
- Bousfield, W. E., M. D. McGregor, and S. Kohler. 1973. Mountain pine beetle impact survey on the Ninemile District, Lolo National Forest and surrounding state and private lands. United States Department of Agriculture, Forest Service, Northern Region, Insect and Disease Report 73-7. 4 p.
- Ciesla, W. M., M. M. Furniss, M. D. McGregor, and W. E. Bousfield. 1971. Evaluation of Douglas-fir beetle infestations in the North Fork Clearwater River drainage, Idaho-1971. United States Department of Agriculture, Forest Service, Northern Region, Insect and Disease Report 71-46. 15 p.
- Ciesla, W. M., M. D. McGregor, and W. E. Bousfield. 1971. Forest insect conditions in the Northern Region, 1970. United States Department of Agriculture, Forest Service, Division of State and Private Forestry, Report for 1971. 12 p.
- McGregor, M. D., W. E. Bousfield, and D. Almas. 1972. Evaluation of the Douglas-fir beetle infestation in the North Fork Clearwater River drainage, Idaho, 1972. United States Department of Agriculture, Forest Service, Northern Region, Insect and Disease Report 1-72-10. 9 p.
- McGregor, M. D., W. F. Bousfield, R. C. Lood, and H. E. Meyer. 1974. Mountain pine beetle impact survey. Drainage, Lolo National Forest, and state and private lands, Montana. United States Department of Agriculture, Forest Service, Northern Region, Insect and Disease Report 74. 8 p.
- McGregor, M. D., M. M. Furniss, W. E. Bousfield, and D. P. Almas. 1974. Evaluation of the Douglas-fir beetle infestation, North Fork Clearwater River Drainage, northern Idaho 1970-1973. United States Department of Agriculture, Forest Service, North Region, Insect and Disease Report 74-7. 17 p.
- Bousfield, W. E., R. Eder, and D. Bennett. 1985. Users' guide and documentation for insect and disease survey. United States Department of Agriculture, Forest Service, Northern Region, Missoula, Montana, Forest Pest Management Report 85-19. 19 p.
- Bousfield, W. E., S. K. Hagle, and S. Koiiler. 1988. Montana forest pest conditions and program highlights, 1987. United States Department of Agriculture, Forest Service, Northern Region, Missoula, Montana, Timber, Cooperative Forestry and Pest Management Report 88-2. 15 p.
- Byler, J. W., W. E. Bousfield, and S. Kholer. 1986. Montana forest pest conditions and program highlights, 1985. United States Department of Agriculture, Forest Service, Northern Region (Missoula, Montana), Cooperative Forestry and Pest Management Report 86-2. 19 p.
- Gibson, K. E., W. E. Bousfield, S. J. Gast, and R. D. Oakes. 1988. Status and predicted trend of mountain pine beetle infestations in upper Yak River and Sullivan Creek drainages, Three Rivers and Rexford Ranger Districts, Kootenai National Forest, 1988. United States Department of Agriculture, Forest Service, Northern Region, Missoula, Montana, Timber, Cooperative Forestry and Pest Management Report. 75 p.
- Kohler, S., O. J. Dooling, and W. E. Bousfield. 1985. Montana forest pest conditions and program highlights, 1984. United States Department of Agriculture, Forest Service, Northern Region, Missoula, Montana, Cooperative Forestry and Pest Management Report 85-2. 23 p.
- McGregor, M. D., W. E. Bousfield, R. L. James, and R. G. Eder. 1986. Biological evaluation of the Bridger-Derby, Deer Creek and Iron Mountain Management Units, Big Timber Ranger District, Gallatin National Forest, Montana. United States Department of Agriculture, Forest Service, Northern Region, Missoula, Montana, Forest Pest Management Report 85-15. 13 p.
- McGregor, M. D., B. Steele, P. Shea, and W. Bousfield. 1989. Baiting and cutting to manage mountain pine beetle infestations. Pages 89-100 in G. D. Amman, Symposium proceedings: Management of lodgepole pine to minimize losses to the mountain pine beetle. United States Department of Agriculture, Forest Service, Intermountain Research Station, Ogden, Utah, General Technical Report INT-262. 119 p.
- Bennett, D., W. Bousfield, M. McGregor, and K. Gibson. 1980. Evaluation of multistage sampling techniques to measure lodgepole pine mortality caused by mountain pine beetle in Montana, 1979. United States Department of Agriculture, Forest Service, Northern Region (Missoula, MT), Report 80-13.