- Forest Products Laboratory (U.S.)207
- Oregon State College. Agricultural Experiment Station123
- Oregon State College. Federal Cooperative Extension Service123
- Oregon. State Game Commission41
- Jackman, E. R. (Edwin Russell), 1894 30
- Jenkins, Lawrence30
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)30
- Oregon State College. Extension Service27
- Oregon State College. Engineering Experiment Station24
- Mumford, D. Curtis (Dwight Curtis), 1900 23
- Oregon. Fish Commission22
- Bouquet, A. G. B. (Arthur George Bristow), 1885 21
- Tollefson, Roger14
- Harris, Elwin E.13
- Wilster, G. H. (Gustav Hans), 189313
- Moravets, F. L.12
- Jones, I. R. (Idwal Ralph), 1898 11
- Mcgovern, John Neilson, 1908 11
- Oregon State College. Federal Cooperative Extension Service11
- Kuhlman, G. W. (Gustav Wesley), 1894 10