- Westigard, Peter H.42
- Oregon State University. Agricultural Experiment Station38
- Oregon State University. College Of Forestry37
- Southern Oregon Agricultural Experiment Station35
- Oregon State University. Extension Service30
- Oregon State University Libraries And Press25
- Oregon State University. Department Of Horticulture25
- Burts, Everett18
- Oregon Wine Research Institute17
- Brunner, Jay F.16
- Hayes, Jen13
- Oregon State University. Garden Ecology Lab12
- Riedl, Helmut W.11
- Vanbuskirk, Philip10
- Fouche, C. F.9
- van Steenwyk, Robert A.9
- Murphy, Robin8
- Rice, R. E.8
- Shearer, Peter W.8
- Simpson, Chase8