Creator
- Hixon, Mark Anthony3
- Oregon Agricultural Experiment Station3
- Tissot, Brian N.3
- Barss, William H.2
- Fernow, B. E. (Bernhard Eduard), 1851 19232
- Oregon Agricultural College. Alumni Association2
- Starr, Richard M.2
- Stein, David L.2
- Tratman, E. E. R. (Edward Ernest Russell), 1863 2
- United States. Division Of Forestry2
- Adamus, Paul R.1
- Aguilar, Andres1
- Allen, Leonard John1
- Baggett, James R.1
- Baker, Scott E.1
- Baldera, Alexis1
- Barry, Kerrie1
- Barss, William1
- Battaile, Brian C.1
- Beckman, Brian R.1