- Fiddick, R. L., and G. A. Van Sickle. 1979. Forest insect and disease conditions, British Columbia and Yukon, 1979. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-200. 20 p.
- Fiddick, R. L., and G. A. Van Sickle. 1980. Forest insect and disease conditions, British Columbia and Yukon, 1980. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Information Report BC-X-220. 23 p.
- Fiddick, R. L., and G. A. Van Sickle. 1982. Forest insect and disease conditions, British Columbia and Yukon, 1981. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Information Report BC-X-225. 26 p.
- Forbes, R. S., G. R. Underwood, and G. A. Van Sickle. 1969a. Maritimes Region. Pages 17-33. Canada Department of Forestry and Rural Development, Forestry Branch, Canadian Forestry Service, Forest Insect and Disease Survey, Annual Report 1967. 143 p.
- Forbes, R. S., G. R. Underwood, and G. A. Van Sickle. 1969b. Maritimes Region. Canada Department of Fisheries and Forestry, Canadian Forestry Service, Forest Insect and Disease Survey, Annual Report 1968. 141 p.
- Forbes, R. S., G. R. Underwood, and G. A. Van Sickle. 1970. Maritimes Region. Pages 20-36. Canada Department of Fisheries and Forestry, Forest Service, Forest Insect and Disease Survey, Annual Report 1969. 125 p.
- Forbes, R. S., G. R. Underwood, and G. A. Van Sickle. 1973. Maritimes Region. Pages 19-32. Canada Department Environment, Canadian Forestry Service, Forest Insect and Disease Survey, Annual Report 1972. 107 p.
- Forbes, R. S., G. R. Underwood, and G. A. Van Sickle. 1979. Maritimes Region. Pages 21-36. Canada Department of the Environment, Canadian Forestry Service, Forest Insect and Disease Survey, Annual Report 1974. 109 p.
- Ross, D. A., G. A. Van Sickle, and C. S. Wood. 1981. Pacific Region. Pages 81-98. Canada Department of the Environment, Canadian Forestry Service, Forest Insect and Disease Survey, Annual Report 1977. 110 p.
- Safranyik, L., G. A. Van Sickle, and G. M. Manning. 1981. Position paper on mountain pine beetle problems with special reference to the Rocky Mountain Parks Region. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia. 27 p.
- Tripp, H. A., D. A. Ross, and G. A. Van Sickle. 1976. Pacific Region. Pages 75-87. Canada Department of Fisheries and Environment, Canadian Forestry Service, Forest Insect and Disease Survey, Annual Report 1975. 103 p.
- Tripp, H. A., D. A. Ross, and G. A. Van Sickle. 1978. Pacific Region. Pages 77-90. Canada Department of the Environment, Canadian Forestry Service, Forest Insect and Disease Survey, Annual Report 1976. 108 p.
- Van Sickle, G. A. 1982. The mountain pine beetle situations in Canada, 1981. Pages 13-15 in D. M. Shrimpton (ed.), Proceedings of the joint Canada-United States workshop on mountain pine beetle related problems in western North America. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-230. 87 p.
- Van Sickle, G. A. 1986a. Aerial surveys for pest damage assessment. Pages 51-54 in P. M. Hall and T. F. Maher (eds.), Mountain pine beetle symposium proceedings, Smithers, B. C, 1985. British Columbia Ministry of Forests, Pest Management Report 7.
- Van Sickle, G. A. 1986b. The mountain pine beetle situation in British Columbia, 1984. Pages 9-13 in P. M. Hall and T. F. Maher (eds.), Mountain pine beetle symposium proceedings, Smithers, B. C, 1985. British Columbia Ministry of Forests, Pest Management Report 7.
- Wood, C. S., and G. A. Van Sickle. 1983. Forest insect and disease conditions British Columbia and Yukon: 1982. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-239. 31 p.
- Wood, C. S., G. A. Van Sickle, and T. L. Shore. 1984. Forest insect and disease conditions: British Columbia, and Yukon, 1983. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-246. 27 p.
- Van Sickle, G. A. 1989. Status of mountain pine beetle in western Canada. Pages 6-8 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.
- Wood, C. S., and G. A. Van Sickle. 1987. Forest insect and disease conditions: British Columbia & Yukon 1986. Government of Canada, Forestry Service, Pacific Forestry Centre, Victoria, British Columbia, Information Report BC-X-287. 35 p.
- Wood, C. S., and G. A. Van Sickle. 1989. Forest insect and disease conditions: British Columbia & Yukon 1988. Government of Canada, Forestry Service, Pacific Forestry Centre, Victoria, British Columbia, Information Report BC-X-306. 33 p.
- Wood, C. S., G. A. Van Sickle, and L. M. Humble. 1987. Forest insect and disease conditions: British Columbia & Yukon 1987. Government of Canada, Forestry Service, Pacific Forestry Centre, Victoria, British Columbia, Information Report BC-X-296. 40 p.
- Wood, C. S., G. A. Van Sickle, and T. L. Shore. 1985. Forest insect and disease conditions: British Columbia & Yukon 1984. Government of Canada, Forestry Service, Pacific Forestry Centre, Victoria, British Columbia, Information Report BC-X-259. 32 p.