- Oregon State College. Agricultural Experiment Station7
- Wilster, G. H. (Gustav Hans), 18934
- Oregon State College. Federal Cooperative Extension Service2
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)2
- Adams, Charles C.1
- American Philosophical Society1
- Anderson, Hubert Waterbury1
- Aref, Moustafa1
- Aubol, Quentin Seldon1
- Baker, Burt Brown, 1873 19691
- Baker, Elton Murray1
- Barnes, Helen V. (Helen Virginia), B. 18881
- Barry, Lillyan Audrey1
- Bernard, Francis Montgomery1
- Besse, Ralph S. (Ralph Stephen), 1887 1
- Bollen, Walter Beno, 1896 1
- Byers, John Harkness, 1918 1
- Cadmus, Walter George1
- Campbell, Robert G.1
- Clark, Bernard Dale1