- Oregon State University. Extension Service6
- Oregon State College. Agricultural Experiment Station4
- Powers, W. L. (Wilbur Louis), 18874
- Hart, John M. (John Mervyn), 1947 3
- Boersma, L.2
- Bouquet, A. G. B. (Arthur George Bristow), 1885 2
- Oregon State University. Southern Oregon Research And Extension Center2
- Rempel, Hannah Gascho2
- Strik, Bernadine C. (Bernadine Cornelia), 1962 2
- Altland, James Elmer, 1973 1
- Bailey, Daniel R.1
- Bedell, Thomas E.1
- Bertramson, Bertram Rodney1
- Brummer, Fara Ann1
- Buyserie, Annette C.1
- Carlson, Waldo Eliot1
- Clark, Abe A.1
- Cooper, Dale Edward1
- Crannell, Wanda K.1
- Cruz Guerra, Ruben1