Creator
- Oregon State University. Extension Service50
- Oregon State University. Agricultural Experiment Station48
- Oregon State University41
- Oregon State University. College Of Forestry26
- Oregon State College. Extension Service23
- Oregon State University. Engineering Experiment Station23
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club17
- Oregon State College. Agricultural Experiment Station14
- Oregon. Fish Commission14
- Pacific Northwest Cooperative Extension14
- Forest Products Laboratory (U.S.)12
- Hatfield Marine Science Center12
- Oregon State University. Forest Research Laboratory12
- Oregon. Dept. Of Geology And Mineral Industries12
- Pacific Marine Fisheries Commission12
- United States. Forest Service12
- Harper, J. A. (James Arthur), 1916 10
- Lane County Historical Society (Or.)10
- Oregon Agricultural College. Experiment Station10
- Oregon Agricultural College9