- Oregon State University. Extension Service58
- Burt, Lawrence A.37
- Oregon State University. Agricultural Experiment Station30
- Burts, Everett27
- Oregon State University. College Of Forestry24
- Oregon State College. Extension Service19
- Burt, Wayne V.18
- Andrews, N. (Nick)17
- Azarenko, A. N. (Anita Nina)17
- Bondi, Michael C.17
- Brewer, Linda J.17
- Castagnoli, S.17
- Chilton, Mike17
- Cook, Thomas W.17
- Fletcher, Richard A.17
- Mcreynolds, Bob17
- Mertz, Chris17
- Olsen, Jeff L.17
- Oregon State University. Department Of Horticulture17
- Oregon State University. Forest Research Laboratory17