- Oregon State University. Extension Service1,101
- Oregon State College. Agricultural Experiment Station657
- Oregon State College. Federal Cooperative Extension Service406
- Oregon State University. Agricultural Experiment Station356
- Forest Products Laboratory (U.S.)166
- Oregon Agricultural College. Experiment Station147
- Oregon State University. Cooperative Extension Service145
- Bouquet, A. G. B. (Arthur George Bristow), 1885 109
- Oregon State Agricultural College. Extension Service99
- Oregon Agricultural College. Extension Service88
- Oregon State Agricultural College. Agricultural Experiment Station88
- Mote, Don C. (Don Carlos), 1887 73
- Oregon State University. Forest Research Laboratory69
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)57
- Koester, Ardis W.43
- Oregon State College. Extension Service41
- United States. Department Of Agriculture41
- Oregon State College. Engineering Experiment Station39
- Powers, W. L. (Wilbur Louis), 188736
- Mansour, N. S.35