- Lane County Historical Society (Or.)15
- Oregon State University. Extension Service13
- Burt, Lawrence A.5
- Oregon State University. Agricultural Experiment Station5
- Beers, Elizabeth H.4
- Osu Forestry Alumni Association4
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club4
- Bayer, Range D., 1947 3
- Leasher, Evelyn M.3
- Woodley, Elizabeth3
- Bellatty, Paul T.2
- Elwood, Norman E.2
- Hagerty, Dorothy Dean2
- Hoyt, S. C.2
- Muggli, Noelle Elizabeth2
- Oregon State University. College Of Forestry2
- Oregon State University. Malheur Experiment Station2
- United States. Bureau Of Land Management2
- Abrams, Arnold H.1
- Abusaidi, Ali1