- Cottrell, C. B. 1966. Spruce beetle life cycle studies at Hush Lake, Prince George Forest District, 1963 and 1964. Canada Department of Forestry, Forest Insect and Disease Survey, Regional Laboratory, Vernon, British Columbia, Internal Report BC-2. 4 p.
- Cottrell, C. B. 1967. Forest insect and disease survey, East Kamloops District, 1966. Pages 87-102 in Annual district reports, Forest Insect and Disease Survey, British Columbia. Canada Department of Forestry and Rural Development, Forest Research Laboratory, Victoria, British Columbia, Information Report BC-X-11. 214 p.
- Cottrell, C. B. 1968. Forest insect and disease survey South Vancouver District: 1967. Pages 28-41 in Annual district reports, Forest Insect and Disease Survey, British Columbia. Canada Department of Forestry and Rural Development, Forest Research Laboratory, Victoria, British Columbia, Information Report BC-X-16. 238 p.
- Cottrell, C. B. 1969. Forest insect and disease survey: South Vancouver, 1968. Pages 30-42 in C.B. Cottrell, and A. K. Jardine, Annual district reports, Forest Insect and Disease Survey, British Columbia. III, Vancouver Survey District, Mainland Section. Pages 28-53. Canada Department of Fisheries and Forestry, Forestry Branch, Forest Research Laboratory, Victoria, British Columbia, Information Report BC-X-33 (Part 3).
- Cottrell, C. B. 1973. Annual district report, Forest insect and disease survey, British Columbia, 1972, Part IV, Kamloops Forest District. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-77. 20 p.
- Cottrell, C. B. 1978. Spruce beetle in British Columbia. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Pest Leaflet FPL 13 (revised). 4 p.
- Cottrell, C. B., and W. Adams. 1973. Forest insect and disease conditions 1973, Kamloops District. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-93. 17 p.
- Cottrell, C. B., and D. F. Doidge. 1972. Annual district report, Forest insect and disease survey, British Columbia, 1971: Part IV, Kamloops Forest District. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-64. 14 p.
- Cottrell, C. B., and R. D. Erickson. 1977. Forest insect and disease conditions, Nelson Forest District, British Columbia, 1976. Canada Department of Fisheries and Environment, Canadian Forestry Service, Information Report BC-X-158. 11 p.
- Cottrell, C. B., and R. D. Erickson. 1978. Forest insect and disease conditions, Nelson Forest District, British Columbia, 1977. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-171. 11 p.
- Cottrell, C. B., and R. L. Fiddick. 1962. An appraisal of timber killed by insects 1956-1960 inclusive in British Columbia. Canada Department of Forestry, Entomology and Pathology Laboratory, Victoria, British Columbia, Information Report (November).
- Cottrell, C. B., and R. L. Fiddick. 1968. Appraisal of timber killed by some important insects in British Columbia from 1961-1965 inclusive. Canada Department of Fisheries and Forestry, Forest Research Laboratory, Victoria, British Columbia, Information Report BC-X-26. 49 p.
- Cottrell, C. B., and R. L. Fiddick. 1972. Timber killed by insects in British Columbia 1966-1970. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-68. 45 p.
- Cottrell, C. B., J. C. Holms, and D. A. Ross. 1965. Spruce beetle report, Prince George Forest District, 1964. Canada Department of Forestry, Forest Entomology Laboratory, Vernon, British Columbia, Information Report 1964. 6 p.
- Cottrell, C. B., J. C. Holms, and D. A. Ross. 1966a. Status of the spruce beetle, Prince George Forest District, 1965. Pages 187-196 in Annual district reports. Forest Insect and Disease Survey, 1965. Canada Department of Forestry, Forest Research Laboratory, Victoria, British Columbia, Internal Report BC-4.
- Cottrell, C. B., J. C. Holms, and D. A. Ross. 1966b. Status of the spruce beetle, Prince George Forest District, 1965. Canada Department of the Environment, Canadian Forestry Service, Forest Research Laboratory, Victoria, British Columbia, Information Report BC-X-3. 4 p.
- Cottrell, C. B., and H. P. Koot. 1975. Forest insect and disease conditions, 1974, Kamloops District. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-113. 17 p.
- Cottrell, C. B., and H. P. Koot. 1976. Forest insect and disease conditions, Kamloops Forest District, British Columbia, 1975. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-134. 8 p.
- Cottrell, C. B., and J. S. Monts. 1970a. Annual district report, Forest insect and disease survey, British Columbia, 1969. Part II, Vancouver Forest District; Mainland Section. Canada Department of Fisheries and Forestry, Canadian Forestry Service, Forest Research Laboratory, Victoria, British Columbia, Information Report BC-X-41. 19 p.
- Cottrell, C. B., and J. S. Monts. 1970b. History of population fluctuations and infestations of important forest insects in the Mainland Section, Vancouver Forest District. Canada Department of Fisheries and Forestry, Canadian Forestry Service, Forest Research Laboratory, Victoria, British Columbia, Information Report BC-9. 42 p.
- Cottrell, C. B., and D. A. Ross. 1964. Spruce beetle report, Prince George Forest District, 1963. Canada Department of Forestry, Forest Entomology Laboratory, Vernon, British Columbia, Information Report 1963. 16 p.
- Cottrell, C. B., L. S. Unger, and R. L. Fiddick. 1979. Timber killed by insects in British Columbia 1971-1975. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-189. 31 p.
- Cottrell, C. B., and C. S. Wood. 1971. Annual district report: Forest insect and disease survey, British Columbia, 1970. Part III, Prince George Forest District. Canada Department of Fisheries and Forestry, Canadian Forestry Service, Forest Research Laboratory, Victoria, British Columbia, Information Report BC-X-51. 9p.
- Grant, J., and C. B. Cottrell. 1964. Spruce beetle in British Columbia. Canada Department of Forestry and Rural Development, Forestry Branch, Forest Research Laboratory, Victoria, British Columbia, Forest Pest Leaflet 13. 7 p. (revised 1968).
- Molnar, A. C., and C. B. Cottrell. 1960. A whole-bark method of rearing Dryocoetes confusus Sw . Entomological Society of British Columbia, Proceedings 57:16-20.
- Morris, E. v., C. B. Cottrell, and R. O. Wood. 1979. Forest insect and disease conditions, Vancouver Forest Region, British Columbia, 1978. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Report BC-X-190. 8 p.