- Mote, Don C. (Don Carlos), 1887 81
- Oregon State College. Agricultural Experiment Station58
- Gray, K. W. (Kenneth Wiesner), 1905 11
- Oregon State University. College Of Forestry9
- Oregon State Agricultural College. Agricultural Experiment Station8
- Thompson, B. G. (Benjamin Garrison), 1891 8
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club8
- Schuh, Joe, 1910 19817
- Edwards, W. D. (William Donald), 1904 6
- Oregon State College. Federal Cooperative Extension Service6
- Osu Forestry Alumni Association6
- Brown, George4
- Crowell, H. H. (Hamblin Howes), 1913 4
- Morrison, H. E. (Hugh Engle), 1905 4
- Oregon Agricultural College. Experiment Station4
- Webster, Janet G.4
- Wells, Gail4
- Barss, H. P. (Howard Phillips), 1885 3
- Gilmont, Susan3
- Jones, Sidney Carroll, 1898 19743