Author
Beaton, John A.
1
Canada/United States Spruce Budworms Program
1
Carpenter, Roswell D.
1
Lockard, C. R., 1900-
1
Marden, Richard M.
1
North Central Forest Experiment Station
1
Northeastern Forest Experiment Station (Radnot, Pa.)
1
Putnam, J. A.
1
Rast, Everette D.
1
Shigo, Alex L., 1930-
1
Shortle, Walter C.
1
Sonderman, David L.
1
Stayton, Charles L.
1
Thomas, R. Edward
1
United States. Cooperative State Research Service
1
United States. Forest Service. Northern Research Station
1