- Dolph, R. E., and L. F. Pettinger. 1968. Forest insect conditions in the Pacific Northwest during 1967. United States Department of Agriculture, Forest Service, Insect and Disease Control Branch, Division of Timber Management, Pacific Northwest Region, Portland, Oregon. 73 p.
- Dolph, R. E., and L. F. Pettinger. 1969. Forest pest conditions in the Pacific Northwest, 1969. United States Department of Agriculture, Forest Service, Insect and Disease Control Branch, Division of Timber Management, Pacific Northwest Region, Portland, Oregon. 10 p.
- Dolph, R. E., and L. F. Pettinger. 1971. Forest pest conditions in the Pacific Northwest, 1970. United States Department of Agriculture, Forest Service, Insect and Disease Control Branch, Division of Timber Management, Pacific Northwest Region, Portland, Oregon. 13 p.
- Furniss, M. M., G. E. Daterman, L. N. Kline, M. D. McGregor, G. C. Trostle, L. F. Pettinger, and J. A. Rudinsky. 1974. Effectiveness of the Douglas-fir beetle antiaggregative pheromone methylcyclohexenone at three concentrations and spacings around felled host trees . Canadian Entomologist 106:381-392.
- Johnson, N. E., and L. F. Pettinger. 1961a. Douglas-fir beetle (Dendroctonus pseudotsugae) attacks in living trees influenced by the presence of fresh windthrow. Weyerhaeuser Company, Forestry Research Center, Forestry Research Note 37. 8 p.
- Johnson, N. E., and L. F. Pettinger. 1961b. Overwintering mortality of Douglas-fir beetles in infested logs, exposed bark and forest litter in western Washington. Weyerhaeuser Company, Forestry Research Center, Forestry Research Note 42. 11 p.
- Orr, P. W., and L. F. Pettinger. 1964. Forest insect conditions in the Pacific Northwest during 1963. United States Department of Agriculture, Forest Service, Insect and Disease Control Branch, Division of Timber Management, Pacific Northwest Region, Portland, Oregon. 60 p.
- Orr, P. W., L. F. Pettinger, and R. E. Dolph. 1965. Forest insect conditions in the Pacific Northwest during 1964. United States Department of Agriculture, Forest Service, Pacific Northwest Region, Portland, Oregon. 90 p.
- Orr, P. W., L. F. Pettinger, and R. E. Dolph. 1966. Forest insect conditions in the Pacific Northwest during 1965. United States Department of Agriculture, Forest Service, Insect and Disease Control Branch, Division of Timber Management, Pacific Northwest Region, Portland, Oregon. 70 p.
- Pettinger, L. F. 1963. Damage and population density of the Columbian timber beetle related to growth characteristics of the silver maple host. Unpublished thesis, Purdue University, Lafayette, Indiana.
- Pettinger, L. F. 1979. Detection survey methods aerial and ground. Pages 21-36 in J. A. Rudinsky (ed.), Forest insect survey and control. Fourth ed. Oregon State University Book Stores, Inc., Corvallis, Oregon. 472 p.
- Pettinger, L. F., and R. E. Dolph. 1967. Forest insect conditions in the Pacific Northwest during 1966. United States Department of Agriculture, Forest Service, Pacific Northwest Region, Insect and Disease Control Branch, Division of Timber Management. 73 p.
- Pettinger, L. F., and R. E. Dolph. 1969. Forest pest conditions in the Pacific Northwest during 1968. United States Department of Agriculture, Forest Service, Pacific Northwest Region, Portland, Oregon. 20 p.
- Pettinger, L. F., and R. E. Dolph. 1970. Oregon and Washington (R-6). Pages 8-11 in A. E. Landgraf, Forest insect and disease conditions in the United States, 1969. United States Department of Agriculture, Forest Service. vi + 40 p.
- Pettinger, L. F., and R. E. Dolph. 1971. Oregon and Washington (R-6). Pages 6-9 in A. E. Landgraf, Forest insect conditions in the United States, 1970. United States Department of Agriculture, Forest Service. vi + 44 p.
- Pettinger, L. F., and R. L. Giese. 1963. Host growth related to population density of the Columbian timber beetle (Corthylus columbianus) . Entomological Society of America, North Central Branch, Proceedings 18:68.
- Pettinger, L. F., and D. W. Johnson. 1973a. Forest pest conditions in the Pacific Northwest, 1972. United States Department of Agriculture, Forest Service, Pacific Northwest Region, Insect and Disease Control Branch, Division of Timber Management. 10 p.
- Pettinger, L. F., and D. W. Johnson. 1973b. Oregon and Washington (R-6). Pages 8-14 in D. P. Graham and J. F. Chansler, Forest insect and disease conditions in the United States, 1972. United States Department of Agriculture, Forest Service. vi + 72 p.
- Pettinger, L. F., and D. W. Johnson. 1974. Forest pest conditions in the Pacific Northwest, 1973. United States Department of Agriculture, Forest Service, Pacific Northwest Region, Insect and Disease Control Branch, Division of Timber Management, Portland, Oregon. 15 p.