- Ross, Charles R. (Charles Robert), 1908 27
- Oregon State College. Federal Cooperative Extension Service18
- Oregon State University. Extension Service13
- Ross, Charles R.9
- Oregon State College. Agricultural Experiment Station7
- Anderson, T. Michael6
- Bakker, Jonathan D.6
- Borer, Elizabeth T.6
- Breithaupt, L. R. (Le Roy), 1886 6
- Brown, Cynthia S.6
- Crawley, Michael J.6
- Damschen, Ellen I.6
- Decrappeo, Nicole M.6
- Firn, Jennifer6
- Gruner, Daniel S.6
- Harpole, W. Stanley6
- Hautier, Yann6
- Hillebrand, Helmut6
- Hoffman, C. S. (Charles Sumner)6
- Knops, Johannes M. H.6