- Oregon Agricultural College. Extension Service89
- Oregon State Agricultural College. Extension Service62
- Oregon Agricultural College. Experiment Station59
- Forest Products Laboratory (U.S.)33
- Oregon Agricultural College. Extension Division19
- Lewis, C. I. (Claude Isaac), 1880 192414
- Dryden, James, 1863 11
- Bouquet, A. G. B. (Arthur George Bristow), 1885 10
- Samson, George R. (George Roy), 1879 9
- Oregon Agricultural College8
- Kraus, E. J. (Ezra Jacob), 1885 7
- Lovett, A. L. (Arthur Lester), 1885 19247
- Potter, E. L. (Ermine Lawrence), 1884 7
- Reynolds, Ralph Elmer7
- Scudder, H. D. (Henry Desborough), 1881 7
- Barss, H. P. (Howard Phillips), 1885 6
- Brown, W. S. (Walter Sheldon), 1878 6
- Allen, R. W. (Ralph Wilmer), 1885 5
- Clark, Ava Milam, 1884 19765
- Cowgill, Helen Julia5