- Oregon State College. Federal Cooperative Extension Service166
- Oregon. State Game Commission57
- Oregon State College. Agricultural Experiment Station48
- Jackman, E. R. (Edwin Russell), 1894 32
- Jenkins, Lawrence31
- Oregon. Fish Commission24
- Oregon State College. Engineering Experiment Station23
- Breithaupt, L. R. (Le Roy), 1886 18
- Marriage, Lowell D.15
- Tollefson, Roger15
- Bennion, N. L. (Noel Lindsay), 1903 10
- Bouquet, A. G. B. (Arthur George Bristow), 1885 9
- Mack, Mabel Clair Townes, 1897 9
- Oregon Fish Commission. Shellfish Program9
- Horrell, Elvera8
- United States. Forest Service8
- Price, F. E. (Frederick Earl), 1898 7
- Starker, T. J. (Thurman James), 1890 19837
- Case, Lucy A.6
- Cosby, H. E. (Hubert Elmer), 1887 6