- Forest Products Laboratory (U.S.)201
- Oregon State College. Federal Cooperative Extension Service147
- Oregon State College. Agricultural Experiment Station138
- Oregon. State Game Commission36
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)34
- Mumford, D. Curtis (Dwight Curtis), 1900 32
- Oregon State College. Extension Service30
- Oregon. Fish Commission25
- Breithaupt, L. R. (Le Roy), 1886 22
- Oregon State College. Engineering Experiment Station21
- Bouquet, A. G. B. (Arthur George Bristow), 1885 18
- Tollefson, Roger15
- Marriage, Lowell D.14
- Harris, Elwin E.13
- Moravets, F. L.12
- Wilster, G. H. (Gustav Hans), 189312
- Cowgill, Helen Julia11
- Davis, George B. (George Balfour), 1915 11
- Kuhlman, G. W. (Gustav Wesley), 1894 11
- Mcgovern, John Neilson, 1908 11