- Clarke, L. J., E. C. Banfield, W. J. Sutton, D. M. Stone, D. S. O'Brien, K. E. Pardy, and G. C. Carew. 1979. Annual district report, forest insect and disease survey, Newfoundland, 1978, Canada Department of the Environment, Canadian Forestry Service, Newfoundland Forest Research Centre, St. Johns, Newfoundland, Information Report N-X-168.66 p.
- Clarke, L. J., E. C. Banfield, W. J. Sutton, D. M. Stone, D. S. O'Brien, K. E. Pardy, and G. C. Carew. 1980. Annual district report, forest insect and disease survey, Newfoundland, 1979. Canada Department of the Environment, Canadian Forestry Service, Newfoundland Forest Research Centre, St. Johns, Newfoundland, Information Report N-X-183. 68 p.
- Clarke, L. J., E. C. Banfield, W. J. Sutton, D. M. Stone, D. S. O'Brien, K. E. Pardy, and G. C. Carew. 1981. Annual district report, forest insect and disease survey, Newfoundland, 1980. Canada Department of Environment, Canadian Forestry Service, Newfoundland Forest Research Centre, St. Johns, Newfoundland, Information Report N-X-195. 65 p.
- Clarke, L. J., E. C. Banfield, W. J. Sutton, D. M. Stone, D. S. O'Brien, K. E. Pardy, and G. C. Carew. 1982. Annual district report, forest insect and disease survey, Newfoundland, 1982. Canada Department of the Environment, Canadian Forestry Service, Newfoundland Forest Research Centre, St. Johns, Newfoundland, Information Report N-X-209.65 p.