- Mathers, W. G. 1940. The shot hole borer, Anisandrus pyri (Peck), in British Columbia (Coleoptera, Scolytidae). Canadian Entomologist 72189-190.
- Hopping, G. R., and W. G. Mathers. 1945. Observations on outbreaks and control of the mountain pine beetle in the lodgepole pine stands of western Canada . Forestry Chronicle 21:98-108.
- Mathers, W. G. 1931. The biology of Canadian bark beetles: the seasonal history of Dryocoetes confusus Sw . Canadian Entomologist 63:247-248.
- Mathers, W. G. 1935. Time of felling in relation to injury from ambrosia beetles or pine worms . British Columbia Lumberman 19:14.
- Mathers, W. G. 1947. Tree injection for the control of bark beetles . Canada Department of Agriculture, Science Service, Division of Entomology, Forest Insect Investigations, Bi-monthly Progress Report 3:2-3.
- Mathers, W. G. 1949a. British Columbia: Forest insect survey (interior) . Canada Department of Agriculture, Science Service, Division of Entomology, Bimonthly Progress Report 5:3.
- Mathers, W. G. 1949b. British Columbia: Forest insect survey (interior) . Canada Department of Agriculture, Science Service, Division of Entomology, Bimonthly Progress Report 5:3.
- Mathers, W. G. 1950. British Columbia: Forest insect survey (interior) . Canada Department of Agriculture, Science Service, Division of Forest Biology, Bimonthly Progress Report 6:3-4.
- Mathers, W. G. 1951. Douglas-fir beetle . Canada Department of Agriculture, Science Service, Division of Forest Biology, Bi-monthly Progress Report 7:3.