Creator
- Oregon State University43
- Oregon State University. Extension Service25
- Hatfield Marine Science Center20
- Oregon Agricultural College. Extension Service20
- Oregon State University. Agricultural Experiment Station18
- Oregon. Dept. Of Geology And Mineral Industries18
- Oregon State Agricultural College. Agricultural Experiment Station13
- Mason, Ralph S.12
- Oregon. State Game Commission. Fishery Division12
- Osu Forestry Alumni Association12
- Newton, Vernon C.9
- Oregon Agricultural College9
- Oregon State College. Extension Service9
- Osu Oregon Forestry Alumni Association9
- Oregon Agricultural College. Experiment Station8
- Oregon State University. College Of Forestry8
- Reynolds, Ralph Elmer8
- United States. Forest Service7
- Brandt, P. M. (Philip Martin), 1888 6
- Jones, I. R. (Idwal Ralph), 1898 6