Creator
- Oregon State University. Extension Service127
- Oregon State University120
- Oregon. State Game Commission117
- Oregon State University. Agricultural Experiment Station91
- Oregon State Agricultural College. Agricultural Experiment Station80
- Forest Products Laboratory (U.S.)72
- Oregon State College. Agricultural Experiment Station65
- Oregon State University. College Of Forestry40
- Oregon. Dept. Of Geology And Mineral Industries38
- Spatafora, Joseph W.36
- Et Al.31
- Lane County Historical Society (Or.)29
- United States. Agricultural Research Service27
- Oregon State University. Engineering Experiment Station26
- Columbia Basin Agricultural Research Center25
- Oregon State University. Forest Research Laboratory25
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club21
- Blew, Joseph Oscar, 1904 20
- Markwardt, L. J. (Lorraine Joseph), 1889 20
- Oregon State University. Cooperative Extension Service20