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- Fiddick, R. L., E. G. Harvey, and G. T. Silver. 1965. Spruce beetle report, Prince Rupert Forest District, 1964. Canada Department of Forestry, Forest Entomology and Pathology Laboratory, Victoria, British Columbia, Mimiographed Report. 5 p.
- Fiddick, R. L., E. G. Harvey, and G. T. Silver. 1966. Report on balsam mortality, Prince Rupert District, 1964. Canada Department of Forestry, Forest Entomology and Pathology Laboratory, Victoria, British Columbia. Mimeographed report. 4 p.
- Harvey, E. G., A. K. Jardine, and G. T. Silver. 1964. Spruce beetle report, Prince Rupert Forest District, 1963. Canada Department of Forestry, Forest Entomology and Pathology Laboratory, Victoria, British Columbia, Mimeographed report. 10 p.
- Silver, G. T., and D. A. Ross. 1956. Province of British Columbia . Canada Department of Agriculture, Science Service, Forest Biology Division, Forest Insect and Disease Survey, Annual Report 1955:92-101.
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- Silver, G. T., and D. A. Ross. 1961. Province of British Columbia . Canada Department of Forestry, Forest Entomology and Pathology Branch, Forest Insect and Disease Survey, Annual Report 1960:93-99.
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- Silver, G. T., and D. A. Ross. 1962b. Province of British Columbia . Canada Department of Forestry, Forest Entomology and Pathology Branch, Forest Insect and Disease Survey, Annual Report 1961:106-119.
- Silver, G. T., and D. A. Ross. 1963a. Province of British Columbia . Canada Department of Forestry, Forest Entomology and Pathology Branch, Forest Insect and Disease Survey, Annual Report 1962:106-119.
- Silver, G. T., and D. A. Ross. 1963b. Important insect infestations (British Columbia) . Canada Department of Forestry, Forest Entomology and Pathology Branch, Annual Report 1963:125-126.
- Silver, G. T., and D. A. Ross. 1964a. Important insect infestations . Canada Department of Forestry, Forest Entomology and Pathology Branch, Annual Report 1963:126.
- Silver, G. T., and D. A. Ross. 1964b. Province of British Columbia . Canada Department of Forestry, Forest Entomology and Pathology Branch, Forest Insect and Disease Survey, Annual Report 1963:110-122.
- Silver, G. T., and D. A. Ross. 1965a. British Columbia. Forest insect conditions. Canada Department of Forestry, Forest Entomology and Pathology Branch, Forest Insect and Disease Survey, Annual Report 1964:112-124
- Silver, G. T., and D. A. Ross. 1965b. Important insect infestations (British Columbia) . Canada Department of Forestry, Forest Entomology and Pathology Branch, Annual Report 1964:136.