Creator
- Oregon State University. Extension Service77
- Oregon State University. Agricultural Experiment Station63
- Oregon Agricultural College. Experiment Station56
- Oregon State University49
- Potter, E. L. (Ermine Lawrence), 1884 44
- Oregon State College. Agricultural Experiment Station34
- Burt, Lawrence A.32
- Oregon State College. Federal Cooperative Extension Service31
- Oregon. Dept. Of Geology And Mineral Industries28
- Et Al.27
- Lane County Historical Society (Or.)24
- Oregon State College. Extension Service23
- Oregon State University. Forest Research Laboratory20
- Brewer, Linda J.19
- Klamath County (Or.)19
- Jenkins, Lawrence18
- Oregon State University. College Of Forestry18
- Oregon State University. Department Of Oceanography18
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club18
- Andrews, N. (Nick)17