- Oregon State University. Agricultural Experiment Station8
- Oregon State University. Extension Service8
- Oregon State University. Forest Research Laboratory5
- Carlson, Clinton E.4
- Mack, H. J.4
- United States. Forest Service. Northern Region. State & Private Forestry4
- Baggett, James R.3
- Boersma, L.3
- Oregon State College. Agricultural Experiment Station3
- Banados, Maria Pilar2
- Bedell, Thomas E.2
- Bouquet, A. G. B. (Arthur George Bristow), 1885 2
- Brooker, Deborah L.2
- Brown, Gordon G. (Gordon George), 1887 2
- Childs, Leroy, 1888 2
- Crabtree, Garvin Dudley2
- Crowell, H. H.2
- Duncan, A. A.2
- Jackson, T. L. (Thomas Lloyd), 1922 2
- Khan, Shafiqur Rehman2