Creator
- Oregon State University. Extension Service470
- Oregon State University. Agricultural Experiment Station375
- Oregon State University221
- Oregon State College. Agricultural Experiment Station132
- Oregon Agricultural College. Experiment Station99
- Forest Products Laboratory (U.S.)94
- Stoltz, Robert L.88
- Oregon State University. College Of Forestry81
- Stebbins, Robert L.78
- Oregon. State Game Commission77
- Oregon. Department Of Fish And Wildlife68
- Oregon State University. Forest Research Laboratory67
- Oregon. Fish Commission67
- Smith, Robert L. (Robert Lloyd), 1935 66
- Huyer, Adriana, 1945 64
- Oregon State College. Extension Service63
- Oregon. Dept. Of Geology And Mineral Industries63
- Fleischbein, Jane60
- United States. Forest Service58
- Duncan, Robert A.57