- Oregon Agricultural College. Experiment Station80
- Oregon State College. Agricultural Experiment Station27
- Oregon State Agricultural College. Agricultural Experiment Station23
- Oregon State College. Extension Service19
- Oregon Agricultural College. Extension Service16
- Mote, Don C. (Don Carlos), 1887 15
- Lovett, A. L. (Arthur Lester), 1885 192411
- Robinson, R. H. (Reginald Heber), 1886 11
- Barss, H. P. (Howard Phillips), 1885 9
- Hartman, Henry, 1889 9
- Schuster, C. E. (Carl Ephraim), 1889 9
- Hyslop, G. R. (George Robert), 1884 8
- Powers, W. L. (Wilbur Louis), 18878
- Bouquet, A. G. B. (Arthur George Bristow), 1885 5
- Bullis, D. E. (Deloss Everett), 1894 19845
- Knowlton, Frank L. (Frank Lester), 1894 19405
- Lunn, A. G. (Alfred Gunn), 1883 5
- Wiegand, Ernest Herman, 1886 5
- Zeller, S. M. (Sanford Myron), 1885 19485
- Forest Products Laboratory (U.S.)4