- Furniss, M. M., and R. D. Oakes. 1973. An annotated bibliography of the Douglas-fir beetle (Dendroctonus pseudtosugae Hopkins). United States Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, General Technical Report INT-8. 30 p.
- Gibson, K. E., M. D. McGregor, and R. D. Oakes. 1985. Mountain pine beetle infestation in ponderosa pine on Crow/Northern Cheyenne Indian Reservations, Montana, 1984. United States Department of Agriculture, Forest Service, Northern Region, Report 85-9. 16 p.
- Hamel, D. R., M. D. McGregor, and R. D. Oakes. 1977a. Evaluation of a mountain pine beetle infestation, Jack Creek drainage, Madison District, Beaverhead National Forest, Montana, 1976. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Missoula, Montana, Report 77-9. 8 p.
- Hamel, D. R., M. D. McGregor, and R. D. Oakes. 1977b. Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Gallatin National Forest, progress report, 1976. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Missoula, Montana, Report 77-6. 7 p.
- Hamel, D. R., M. D. McGregor, and R. D. Oakes. 1977c. Status of mountain pine beetle infestation, Glacier National Park, 1976. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Missoula, Montana, Report 77-4. 7 p.
- Hamel, D. R., and R. D. Oakes. 1977a. Evaluation of a mountain pine beetle infestation, Gold Creek drainage, Rexford District, Kootenai National Forest, Montana, 1976. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Missoula, Montana, Report 77-10. 8 p.
- Hamel, D. R., and R. D. Oakes. 1977b. Evaluation of mountain pine beetle infestation, Lap, Cool, and Caribou drainages, Yaak District, Kootenai National Forest, 1976. United States Department of Agriculture, Northern Region, Forest Service, State and Private Forestry, Missoula, Montana, Report 77-8. 7 p.
- Hamel, D. R., and R. D. Oakes. 1977c. Status of mountain pine beetle infestations in second growth ponderosa pine stands, Little Belt and Big Snowy Mountains, Lewis and Clark National Forest, Montana. United States Department of Agriculture, Forest Service, Northern Region, Forest Environment Protection Report 77-14. 6 p.
- Hamel, D. R., R. D. Oakes, and R. Hothem. 1977. Potential for infestation by mountain pine beetle in lodgepole pine stands Hungry-horse District, Flathead National Forest, 1977. United States Department of Agriculture, Forest Service, Northern Region, Forest Environment Protection Report 77-11. 5 p.
- Hamel, D. R., R. D. Oakes, M. D. McGregor, and R. C. Lood. 1975. Evaluation of Douglas-fir beetle infestations, North Fork, Clearwater River drainage, Idaho. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Insect and DiseaseReport 75-11. 8 p.
- McGregor, M. D., D. R. Hamel, and R. D. Oakes. 1977a. Evaluation of mountain pine beetle infestations, Thompson River Drainage, Plains District, Lolo National Forest, Montana, 1976. United States Department of Agriculture, Forest Service, Northern Region, Forest Environment Protection, Report 77-5. 5 p.
- McGregor, M. D., D. R. Hamel, and R. D. Oakes. 1977b. Status of mountain pine beetle infestation, Gallatin National Forest, 1976. United States Department of Agriculture, Forest Service, Northern Region, Forest Environment Protection, Report 77-12. 8 p.
- McGregor, M. D., D. R. Hamel, R. D. Oakes, and H. E. Meyer. 1978. Evaluation of mountain pine beetle in high use areas and other infested stands on the Hebgen Lake Ranger District, Gallatin National Forest, 1977. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Report 78-2. 10 p.
- McGregor, M. D., R. D. Oakes, and O. J. Dooling. 1983. Status of Douglas-fir bark beetle, Madison Ranger District, Beaverhead National Forest, 1983. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Report 83-7. 5 p.
- McGregor, M. D., R. D. Oakes, and H. E. Meyer. 1983. Status of mountain pine beetle, northern region, 1982. United States Department of Agriculture, Forest Service, Northern Region, Cooperative Forest Pest Management, Report 83-16. 32 p.
- Amman, G. D., M. D. McGregor, R. F. Schmitz, and R. D. Oakes. 1988. Susceptibility of lodgepole pine to infestation by mountain pine beetles following partial cutting of stands . Canadian Journal of Forest Research 18:688-695.
- 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.
- Gibson, K. E., M. D. McGregor, and R. D. Oakes. 1985. Mountain pine beetle infestation in ponderosa pine on Crow/ Northern Cheyenne Indian Reservations, Montana, 1984. United States Department of Agriculture, Forest Service, Northern Region, Missoula, Montana, Forest Pest Management Report 85-9. 16 p.
- Gibson, K. E., and R. D. Oakes. 1987. Mountain pine beetle status report, Northern Region, 1986. United States Department of Agriculture, Forest Service, Northern Region, Missoula, Montana, Forest Pest Management Report 87-7. 57 p.
- Lindgren, B. S., M. D. McGregor, R. D. Oakes, and H. E. Meyer. 1988. Effects of MCH and baited Lindgren traps on Douglas-fir beetle attacks on felled trees . Journal of Applied Entomology 105:289-294.
- Lindgren, B. S., M. D. McGregor, R. D. Oakes, and H. E. Meyer. 1989. Suppression of spruce beetle attacks by MHC released from bubble caps . Western Journal of Applied Forestry 4:49-52.
- McGregor, M. D., G. D. Amman, R. F. Schmitz, and R. D. Oakes. 1987. Partial cutting lodgepole pine stands to reduce losses to the mountain pine beetle . Canadian Journal of Forest Research 17:1234-1239.
- McGregor, M. D., K. E. Gibson, S. Tunnock, L. E. Stipe, H. E. Meyer, and R. D. Oakes. 1985. Status of mountain pine beetle infestations, Northern Region 1984. United States Department of Agriculture, Forest Service, Northern Region, Missoula, Montana, Forest Pest Management Report 85-25. 57 p.
- McGregor, M. D., R. D. Oakes, and H. E. Meyer. 1985. Evaluation of Douglas-fir mortality from Douglas-fir beetle from 1982 through 1984 following 3 methyl-2-cyclohexan-1-one application. United States Department of Agriculture, Forest Service, Northern Region, Missoula, Montana, Forest Pest Management Report 85-7. 19 p.
- Schmitz, R. F., M. D. McGregor, G. D. Amman, and R. D. Oakes. 1989. Effect of partial cutting treatments of lodgepole pine stands on the abundance and behavior of flying mountain pine beetles . Canadian Journal of Forest Research 19:566-574.
- Gibson, K., and R. Oakes. 1991. Efficacy of Douglas-fir beetle tree baits in containing outbreak populations of Douglas-fir beetles in northern Idaho. United States Department of Agriculture, Forest Service, Northern Region (Missoula, MT), Timber, Cooperative Forestry and Pest Management, Report 91-04.
- Gibson, K., R. Schmitz, G. Amman, and R. Oakes. 1991. Mountain pine beetle response to different verbenone dosages in pine stands of western Montana. United States Department of Agriculture, Forest Service, Intermountain Research Station (Ogden, UT), Research Paper INT-444.
- Rasmussen, L., G. Ammon, J. Vandygriff, R. Oakes, A. Munson, and K. Gibson. 1996. Bark beetle and wood borer infestation in the Greater Yellowstone area during four postfire years. United States Department of Agriculture, Forest Service, Intermountain Research Station (Ogden, UT), Research Paper INT-RP-487. 10 pp.