- Forest Products Laboratory (U.S.)120
- Oregon State Agricultural College. Agricultural Experiment Station117
- Oregon State College. Agricultural Experiment Station94
- Oregon State Agricultural College. Extension Service65
- Oregon State College. Federal Cooperative Extension Service39
- Bouquet, A. G. B. (Arthur George Bristow), 1885 35
- Pacific Northwest Forest Experiment Station (Portland, Or.)27
- Oregon State College. Extension Service24
- Mote, Don C. (Don Carlos), 1887 15
- Powers, W. L. (Wilbur Louis), 188714
- Selby, H. E. (Halbert Edgerton), 1896 12
- Browne, F. L. (Frederick Lincoln), 1895 11
- Burrier, A. S. (Arnold Stewart), 1902 193811
- Stamm, Alfred J. (Alfred Joaquim), 1897 11
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)10
- Price, F. E. (Frederick Earl), 1898 10
- Brandt, P. M. (Philip Martin), 1888 9
- Oregon Federal Writers' Project9
- Oregon Historical Records Survey9
- Wiegand, Ernest Herman, 1886 9