Books by Robert W. Campbell:
Books in the extended shelves:
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Campbell, Robert W.: Bird exclosures for branches and whole trees (The Station ;, 1981), also by Canada/United States Spruce Budworms Program and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)- Campbell, Robert W.: The Douglas-fir tussock moth : a synthesis (Dept. of Agriculture, Forest Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978), also by United States Forest Service, Ronald W. Stark, and Martha H. Brookes (page images at HathiTrust)
- Campbell, Robert W.: Douglas-fir tussock moth : an annotated bibliography (Pacific Northwest Forest and Range Experimnt Station, U.S. Dept. of Agriculture, Forest Service, 1978), also by Lorna C. Youngs and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
- Campbell, Robert W.: Forecasting defoliation by the gypsy moth in oak stands / [Robert W. Campbell and Joseph P. Standaert] (U.S. Forest Service, Northeastern Forest Experiment Station, 1974., 1974), also by Joseph P. Standaert (page images at HathiTrust)
- Campbell, Robert W.: Forecasting gypsy moth egg-mass density / by Robert W. Campbell. (Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station, 1973) (page images at HathiTrust)
- Campbell, Robert W.: The gypsy moth and its natural enemies (U.S. Dept. of Agriculture, Forest Service :, 1975) (page images at HathiTrust)
- Campbell, Robert W.: Gypsy moth : forest influence (U.S. Dept. of Agriculture, Forest Service, 1979), also by United States Forest Service (page images at HathiTrust)
- Campbell, Robert W.: Population dynamics of the gypsy moth : an annotated bibliography (Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1978), also by Pa.) Northeastern Forest Experiment Station (Radnor and United States Forest Service (page images at HathiTrust)
- Campbell, Robert W.: Population dynamics of the major North American needle-eating budworms (USDA Forest Service, Pacific Northwest Research Station, 1993), also by Or.) Pacific Northwest Research Station (Portland (page images at HathiTrust)
- Campbell, Robert W.: Some effects of predaceous birds and ants on the western spruce budworm on conifer seedlings (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1984), also by Canada/United States Spruce Budworms Program and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
- Campbell, Robert W.: A system for gathering small mammal mortality data (Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station, 1973), also by Robert D. Neely and Pa.) Northeastern Forest Experiment Station (Radnor (page images at HathiTrust)
- Campbell, Robert W.: Tree condition and mortality following defoliation by the gypsy moth (U.S. Northeastern Forest Experiment Station, 1972), also by Harry T. Valentine (page images at HathiTrust)
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