- Oregon State College. Extension Service14
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club13
- Oregon State University8
- Oregon State University. Forest Research Laboratory8
- Oregon State University. College Of Forestry7
- Oregon State University. Extension Service7
- Lane County Historical Society (Or.)6
- Osu Forestry Alumni Association6
- Fitch, Luther5
- Gardner, E. Hugh5
- Gilmont, Susan5
- Jackson, T. L.5
- Johnson, Malcolm5
- Morrell, Jeffrey J.5
- Pumphrey, Vance5
- Wilcox, Bert G.5
- Markland, Mary4
- Oregon Agricultural College4
- Oregon State Agricultural College. Agricultural Experiment Station4
- Webster, Janet G.4