- Oregon State College. Federal Cooperative Extension Service11
- Chapman, John W.9
- Demchenko, Natalia L.9
- Durkina, Valentina B9
- Fadeev, Valeriy I.9
- Oregon State University. Cooperative Extension Service9
- Oregon State University. Agricultural Experiment Station7
- Case, Lucy A.6
- Oregon Agricultural College. Extension Service6
- Onsdorff, Thomas5
- Oregon State College. Cooperative Extension Service4
- Oregon State University. College Of Veterinary Medicine4
- Wiegand, Ernest Herman, 1886 4
- Honkanen, Asmo3
- Mack, Mabel Clair Townes, 1897 3
- Moore, Rod3
- Oliver, A. W. (Alfred Weaver), 1894 3
- Oregon State College. Agricultural Experiment Station3
- Saarni, Kaija3
- Sather, Lois A.3