- Cropsey, Myron George, 1910 13
- Oregon State College. Agricultural Experiment Station11
- Oregon State University. College Of Forestry7
- Bailey, Sam H.3
- Gish, Norville R.3
- Oregon Agricultural College. Alumni Association3
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club3
- Weswig, Paul H. (Paul Henry), 1912 3
- Oregon Agricultural College2
- Oregon State University. Agricultural Experiment Station2
- United States. Forest Service2
- Wisner, George B.2
- Zeller, S. M. (Sanford Myron), 1885 19482
- Akbari, Ahmad, 1952 1
- Andersen, Eric J.1
- Appleton, John B. (John Bargate)1
- Arbogast, Sandie1
- Bassett, Monty1
- Blew, J. Oscar1
- Bode, A. T.1