Creator
- Oregon State University. Agricultural Experiment Station259
- Oregon State University. Extension Service258
- Oregon State University113
- Oregon State College. Agricultural Experiment Station81
- Oregon State College. Federal Cooperative Extension Service70
- Oregon. Department Of Fish And Wildlife68
- Oregon State College. Extension Service63
- Oregon. State Game Commission47
- Oregon Agricultural College. Extension Service40
- Oregon Agricultural College. Experiment Station34
- Oregon State University. College Of Forestry31
- Oregon State University. Forest Research Laboratory24
- Institute For Natural Resources23
- United States. Agricultural Research Service23
- Bogart, Ralph, 1908 22
- Hatfield Marine Science Center22
- Oregon State Agricultural College. Agricultural Experiment Station22
- Dryden, James, 1863 19
- United States. Forest Service19
- Jones, I. R. (Idwal Ralph), 1898 18