- Oregon State University. Extension Service1,097
- Oregon State College. Agricultural Experiment Station663
- Oregon State College. Federal Cooperative Extension Service405
- Oregon State University. Agricultural Experiment Station394
- Forest Products Laboratory (U.S.)168
- Oregon Agricultural College. Experiment Station151
- Oregon State University. Cooperative Extension Service145
- Bouquet, A. G. B. (Arthur George Bristow), 1885 109
- Oregon State Agricultural College. Extension Service98
- Oregon State Agricultural College. Agricultural Experiment Station89
- Oregon Agricultural College. Extension Service88
- Oregon State University. Forest Research Laboratory74
- Mote, Don C. (Don Carlos), 1887 73
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)70
- Koester, Ardis W.43
- Oregon State College. Extension Service43
- United States. Department Of Agriculture41
- Oregon State College. Engineering Experiment Station40
- Mansour, N. S.36
- Powers, W. L. (Wilbur Louis), 188736