- Oregon. State Game Commission11
- Oregon State College. Agricultural Experiment Station9
- Oregon State College. Extension Service8
- Oregon. Fish Commission7
- Forest Products Laboratory (U.S.)5
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)4
- Sherwood, D. H. (Donald Henry), 1911 4
- Jones, I. R. (Idwal Ralph), 1898 3
- Maclean, J. D. (James Donald)3
- Doty, Maxwell Stanford2
- Gabbert, Donald M.2
- Johnson, Donald R.2
- Larson, Carl A. (Carl August), 1902 2
- Marriage, Lowell D.2
- Tollefson, Roger2
- Wilster, G. H. (Gustav Hans), 18932
- Alexander, Lucien1
- Anderson, Donald Evans1
- Anderson, E. William1
- App, Jean1