- Powell, W. 1980. A revised checklist of forest Coleoptera in the reference collection at the Forestry Research Institute of Malawi. 32 p..
- Powell, J. A., and C. L. Hogue. 1979. California Insects. University of California Press, Berkely 388 pp..
- Powell, A. W. P. 1941. Biological primary types in the Auckland Museum . Auckland Institute and Museum, Records 2:241-258.
- Powell, J. M. 1961. The mountain pine beetle, Dendroctonus monticolae Hopk. in western Canada. Canada Department of Agriculture, Forest Entomology and Pathology Branch, Calgary, Alberta, Interim Report, May.
- Powell, J. M. 1962. Climate in relation to the mountain pine beetle. Page 113. Canada Department of Forestry, Forest Entomology and Pathology Branch, Annual Report for 1962.
- Powell, J. M. 1963. Bioclimatic studies (mountain pine beetle). Page 115. Canada Department of Forestry, Forest Entomology and Pathology Branch, Annual Report for 1963.
- Powell, J. M. 1965. The mountain pine beetle, Dendroctonus ponderosae Hopk. (c) Bioclimatical studies. Page 125. Canada Department of Forestry, Forest Entomology and Pathology Branch, Annual Report for 1965.
- Powell, J. M. 1966. Distribution and outbreaks of Dendroctonus ponderosae Hopk. in forests of western Canada. Canada Department of Forestry, Forest Research Laboratory, Calgary, Alberta, Information Report A-X-2. 19 p.
- Powell, J. M. 1967. A study of habitat temperatures of the bark beetle Dendroctonus ponderosae Hopkins in lodgepole pine . Agricultural Meteorology 4:189-201.
- Powell, J. M. 1969. Historical study of the relation of major mountain pine beetle outbreaks in western Canada to seasonal weather. Canada Department of Forestry, Forest Research Laboratory, Calgary, Alberta, Information Report A-X-23. 11 p.
- Powell, J. M., and L. S. Skaley. 1975. Arthropods from forest litter under lodgepole pine infected with Comandra blister rust. Canada Department of the Environment, Canadian Forestry Service, Northern Forest Research Centre, Information Report NOR-X-130. 33 p.
- Powell, J. M., H. R. Wong, and J. C. E. Melvin. 1972. Arthropods collected from stem rust cankers of hard pines in western Canada. Canada Department of the Environment, Canadian Forestry Service, Northern Forest Research Centre, Information Report NOR-X-42. 19 p.
- Powell, P. B. 1905. The development of wings of certain beetles, and some studies of the origin of the wings of insects . New York Entomological Society, Journal 12:237-243, 13:5-22.
- Powell, J. M. 1964. The mountain pine beetle, Dendroctonus ponderosae Hopk. (d) bioclimatic studies. Page 117 in Canada Department of Forestry, Forest Entomology and Pathology Branch, Annual Report for 1964.
- Powell, J. M. 1971. The arthropod fauna collected from the comandra blister rust, Cronartium comandrae, on lodgepole pine in Alberta . Canadian Entomologist 103:908-918.
- Cochran, P., J. Geist, D. Clemens, R. Clausnitzer, and D. Powell. 1994. Suggested stocking levels for forest stands in northeastern Oregon and southeastern Washington . United States Department of Agriculture, Forest Service, Pacific Northwest Research Station (Portland, OR), Research Note PNW- 513:1-21.
- Bentz, B., J. Logan, and J. Powell. 1997. Spatial and temporal attack dynamics of the mountain pine beetle: Implications for management. Pages 153-162 In J.-C. Grégoire et al. (eds.), Proceedings: Integrating cultural tactics into the management of bark beetles and reforestation pests. United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station (Radnor, PA), General Technical Report NE-236.
- Bentz, B., J. Powell, and J. Logan. 1996. Localized spatial and temporal attack dynamics of the mountain pine beetle in lodgepole pine. United States Department of Agriculture, Forest Service, Intermountain Research Station (Ogden, UT), Research Paper INT-RP-494.
- Bentz, B., J. Powell, J. Logan, and P. White. 1996. Spatial self-focussing and self-dissipation: strategies for mountain pine beetle survival. Pages 82-83 In R.F. Billings and T.E. Nebeker (tech. eds.), Proceedings: North American Forest Insect Work Conference, 8-12 April 1996, San Antonio, TX. Texas Forest Service Publication 160.
- Logan, J., P. White, B. Bentz, and J. Powell. 1998b. Model analysis of spatial patterns in mountain pine beetle outbreaks . Theoretical Population Biology 53:236-255.
- Powell, J. 1996. Temporal evolution of spatial patterns in mountain pine beetle outbreaks. Pages 148-149 In R.F. Billings and T.E. Nebeker (tech. eds.), Proceedings: North American Forest Insect Work Conference, 8-12 April 1996, San Antonio, TX. Texas Forest Service Publication 160.
- Powell, J., and J. Rose. 1997. Local consequences of a global model for mountain pine beetle mass attacks . Dynamics and Stability of systems 12:3-24.
- Powell, J., J. Logan, and B. Bentz. 1996. Local projections for a global model of mountain pine beetle attacks . Journal of Theoretical Biology 179:243-260.
- White, P., and J. Powell. 1998. Phase transition from environmental to dynamic determinism in mountain pine beetle attack . Bulletin of Mathematical Biology 59:609-643.