- Oregon State University. Extension Service203
- Oregon State University178
- Oregon State University. Agricultural Experiment Station162
- Kosro, P. Michael, 1951 71
- Oregon State University. College Of Forestry56
- Huyer, Adriana, 1945 48
- Oregon State University. Forest Research Laboratory48
- Fleischbein, Jane45
- Et Al.42
- Chelton, Dudley B.40
- Freitag, Michael40
- Smith, Robert L. (Robert Lloyd), 1935 40
- Wheeler, Patricia A.39
- Institute For Natural Resources32
- Kent, Michael L.32
- United States. Agricultural Research Service32
- Mockler, Todd C.31
- Oregon State University. Engineering Experiment Station29
- Hatfield Marine Science Center26
- Barth, John A.25