- Oregon State University38
- Oregon State University. Agricultural Experiment Station26
- Mcculloh, Katherine A.23
- Oregon State University. College Of Forestry22
- Columbia Basin Agricultural Research Center20
- Meinzer, Frederick C.20
- United States. Agricultural Research Service19
- Woodruff, David R.16
- Oregon State University. Extension Service12
- Lachenbruch, Barbara10
- Et Al.9
- Hall, Jim9
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club9
- Gilmont, Susan8
- Hatfield Marine Science Center8
- Webster, Janet G.8
- Johnson, Daniel M.7
- Marias, Danielle E.7
- Markland, Mary7
- Mote, Philip W.6