Creator
- Oregon State University. Agricultural Experiment Station310
- Oregon State University. Extension Service290
- Oregon State University210
- Oregon State College. Agricultural Experiment Station108
- Oregon Agricultural College. Experiment Station97
- Forest Products Laboratory (U.S.)91
- Oregon. State Game Commission76
- Stoltz, Robert L.68
- Oregon State University. Forest Research Laboratory65
- Oregon. Fish Commission63
- Oregon State University. College Of Forestry62
- Oregon. Dept. Of Geology And Mineral Industries62
- Oregon State College. Extension Service58
- Smith, Robert L. (Robert Lloyd), 1935 57
- Huyer, Adriana, 1945 56
- Oregon. Department Of Fish And Wildlife55
- United States. Forest Service55
- Fleischbein, Jane54
- Duncan, Robert A.50
- James, Robert L.50