- Oregon Agricultural College. Experiment Station60
- Oregon Agricultural College. Extension Service48
- Oregon State Agricultural College. Extension Service31
- Forest Products Laboratory (U.S.)16
- Lewis, C. I. (Claude Isaac), 1880 192413
- Oregon Agricultural College. Extension Division9
- Oregon Agricultural College8
- Bouquet, A. G. B. (Arthur George Bristow), 1885 7
- Kraus, E. J. (Ezra Jacob), 1885 7
- Potter, E. L. (Ermine Lawrence), 1884 7
- Dryden, James, 1863 6
- Scudder, H. D. (Henry Desborough), 1881 6
- Allen, R. W. (Ralph Wilmer), 1885 5
- Gardner, Victor Ray, 1885 5
- Powers, W. L. (Wilbur Louis), 18875
- Brown, W. S. (Walter Sheldon), 1878 4
- Barss, A. F. (Alden Forrest), 1888 3
- Bexell, J. A. (John Andrew), 1867 19383
- Brown, F. R. (Frank Ross)3
- Childs, Leroy, 1888 3