- Oregon State University. Extension Service88
- United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management19
- Oregon State University. Agricultural Experiment Station17
- Western Dry Kiln Clubs17
- Western Dry Kiln Clubs. Meeting (34th : 1983)17
- Gardner, E. Hugh16
- Gardner, Ernest Hugh15
- Oregon. Department Of Fish And Wildlife13
- Jackson, T. L. (Thomas Lloyd), 1922 10
- Oregon State University. Forest Research Laboratory10
- Doerge, Thomas A.9
- Jackson, T. L.9
- James, Robert L.9
- Oregon State University. Water Resources Research Institute8
- University Of Idaho. Cooperative Extension Service8
- Garland, John J.7
- Mcguire, William S.7
- Hannaway, David B.6
- Huyer, Adriana, 1945 6
- Mansour, N. S.6