- Forest Products Laboratory (U.S.)373
- Oregon State College. Agricultural Experiment Station319
- Oregon State College. Federal Cooperative Extension Service271
- Bouquet, A. G. B. (Arthur George Bristow), 1885 50
- Mumford, D. Curtis (Dwight Curtis), 1900 34
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)34
- Fobes, E. W.32
- Jackman, E. R. (Edwin Russell), 1894 32
- Jenkins, Lawrence31
- Mote, Don C. (Don Carlos), 1887 30
- Oregon State College. Extension Service30
- Oregon. Fish Commission29
- Oregon State College. Engineering Experiment Station25
- Oregon Agricultural College. Experiment Station23
- Breithaupt, L. R. (Le Roy), 1886 18
- Price, F. E. (Frederick Earl), 1898 18
- Stamm, Alfred J. (Alfred Joaquim), 1897 16
- Wilster, G. H. (Gustav Hans), 189316
- Harris, Elwin E.15
- Jones, I. R. (Idwal Ralph), 1898 15