- Oregon State College. Agricultural Experiment Station129
- Forest Products Laboratory (U.S.)112
- Oregon State College. Federal Cooperative Extension Service91
- Oregon. State Game Commission50
- Oregon State College. Extension Service29
- Bouquet, A. G. B. (Arthur George Bristow), 1885 18
- Oregon State College. Engineering Experiment Station17
- Mumford, D. Curtis (Dwight Curtis), 1900 13
- Oregon. Fish Commission13
- Oregon Agricultural College. Experiment Station11
- Mcwhorter, Frank, 1896 198510
- Case, Lucy A.9
- Deloach, D. B. (Daniel Barton), 1904 9
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)9
- Jones, I. R. (Idwal Ralph), 1898 8
- Harris, Elwin E.7
- Oregon State College. Federal Cooperative Extension Service7
- Stamm, Alfred J. (Alfred Joaquim), 1897 7
- Wiegand, Ernest Herman, 1886 7
- Price, F. E. (Frederick Earl), 1898 6