- Foster, D. 1982. A resource manager looks at integrated pest management and the southern pine beetle. Pages 175-177 in Increasing forest productivity. Society of American Foresters, National Meeting (Orlando, Florida), Proceedings.
- Foster, H. R., and M. J. Applejohn. 1975. Forest insect and disease surveys in the North Central Region of Ontario, 1974. Canada Department of the Environment, Canadian Forestry Service, Great Lakes Forest Research Centre, Information Report O-X-221. 25 p.
- Foster, H. R., and J. Hook. 1972. Forest insect and disease surveys in the Northern Survey Region, 1971 (Forest Districts: Cochrane, Kapuskasing, and Geraldton). Canada Department of the Environment, Canadian Forestry Service, Great Lakes Forest Research Centre, Information Report O-X-161. 19 p.
- Foster, J. H. 1912. Forest conditions in Louisiana. United States Department of Agriculture, Forest Service, Bulletin 114.
- Foster, R. E., and D. R. Hurn. 1949. A preliminary report on deterioration in the western hemlock Douglas fir type on lower Vancouver Island following attack by the western hemlock looper . Forestry Chronicle 25:202-204.
- Molnar, A. C., R. G. McMinn, and A. T. Foster. 1963. Decline and mortality of Douglas fir in the Interior West Belt . Canada Department of Forestry, Forest Entomology and Pathology Branch, Bimonthly Progress Report 19:3.
- Ward, C. R., C. W. O'Brien, L. B. O'Brien, D. E. Foster, and E. W. Huddleston. 1977. Annotated checklist of New World insects associated with Prosopis (mesquite). United States Department of Agriculture, Agricultural Research Service, Technical Bulletin No. 1557. 115 p.
- Foster, H. R. 1961. Status of insects in the Lake Erie District. Pages 106-123 in Annual district report of the forest biology rangers of Ontario, 1960. Canada Department of Agriculture, Forest Biology Division, Sault Ste. Marie, Ontario.
- Foster, H. R. 1962. Status of insects in the Lake Erie District. Pages 113-134 in Annual district report of the Forest Insect and Disease Survey Ontario, 1961. Canada Department of Agriculture, Forest Biology Division, Sault Ste. Marie, Ontario.
- Foster, H. R. 1963. Status of insects and tree diseases in the northern forest region. Pages E1-8 in Annual district reports of the Forest Insect and Disease Survey Ontario, 1962. Canada Department of Agriculture, Forest Biology Division, Sault Ste. Marie, Ontario.
- Foster, H. R. 1964. Status of insects and tree diseases in the northern forest region. Pages El-9 in Annual district reports of the Forest Insect and Disease Survey Ontario, 1963. Canada Department of Agriculture, Forest Biology Division, Sault Ste. Marie, Ontario.
- Jassim, H., H. Foster, and C. Fairhurst. 1990a. Biological control of Dutch elm disease: Bacillus thuringiensis as a potential control agent for Scolytus scolytus and S. multistriatus. Journal of Applied Bacteriology 69:563-568.
- Jassim, H., H. Foster, and C. Fairhurst. 1990b. Biological control of Dutch elm disease: Larvicidal activity of Trichoderma harzianum T. polysporum and Scytalidium lignicola in Scolytus scolytus and S. multistriatus reared in artificial culture. Annals of Applied Biology 117:187-196.