- Oregon State University. Agricultural Experiment Station142
- Oregon State University. Extension Service137
- Jackson, T. L. (Thomas Lloyd), 1922 52
- Oregon Agricultural College. Experiment Station50
- Oregon State College. Agricultural Experiment Station38
- Southern Oregon Agricultural Experiment Station36
- Oregon State Agricultural College. Agricultural Experiment Station34
- Gardner, Ernest Hugh33
- Westigard, Peter H.31
- Oregon. State Game Commission30
- Oregon State University. Forest Research Laboratory28
- Hart, John M. (John Mervyn), 1947 20
- Oregon. State Game Commission. Fishery Division20
- Oregon State College. Extension Service17
- Oregon State University. Water Resources Research Institute17
- Fleishman, Erica16
- Dalton, Meghan15
- Bachelet, Dominique14
- Christensen, Neil Walter, 1944 14
- Institute For Natural Resources14