- Oregon State University. Extension Service170
- Oregon State University. Agricultural Experiment Station142
- Oregon State University80
- Jackson, T. L. (Thomas Lloyd), 1922 76
- Smith, Robert L. (Robert Lloyd), 1935 66
- Huyer, Adriana, 1945 57
- Oregon State College. Extension Service50
- Kosro, P. Michael, 1951 41
- Oregon State University. College Of Forestry39
- Fleischbein, Jane38
- Gardner, Ernest Hugh38
- Samelson, Roger M.31
- United States. Agricultural Research Service31
- Oregon. Fish Commission30
- Wheeler, Patricia A.29
- Oregon State University. Forest Research Laboratory28
- Oregon State College. Agricultural Experiment Station27
- Rogers, Bill27
- Oregon. Department Of Fish And Wildlife25
- Oregon. State Game Commission25