- Oregon State College. Agricultural Experiment Station45
- Oregon State College. Extension Service17
- Oregon. Fish Commission12
- Oregon. State Game Commission12
- Deloach, D. B. (Daniel Barton), 1904 7
- Forest Products Laboratory (U.S.)7
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)6
- Wilster, G. H. (Gustav Hans), 18936
- Gorton, W. W. (William Winfield), 1907 5
- Oregon State College. Federal Cooperative Extension Service5
- Graham, Robert D.3
- Kuhlman, G. W. (Gustav Wesley), 1894 3
- Mumford, D. Curtis (Dwight Curtis), 1900 3
- Oregon Forest Products Laboratory3
- Oregon State College. Engineering Experiment Station3
- Price, F. E. (Frederick Earl), 1898 3
- Rich, Willis H. (Willis Horton), 1885 19723
- Seidl, Robert J.3
- Stout, Roy Edgar, 1913 3
- Besse, Ralph S. (Ralph Stephen), 1887 2