- Oregon State University63
- Lane County Historical Society (Or.)24
- Oregon State University. Agricultural Experiment Station13
- Lauten, David J.12
- Wood, Allan Deane, 1936 12
- Gaines, Eleanor P.11
- Castelein, Kathleen A.10
- Western Orchard Pest And Disease Management Conference10
- Pacific Northwest Insect Management Conference9
- White, Angelicque E.9
- Forest Products Laboratory (U.S.)8
- Farrar, J. Daniel7
- Institute For Natural Resources7
- Kotaich, Adam A.7
- Oregon State University. Extension Service7
- Watkins Brandt, Katie S.7
- Mix, Alan C.6
- Duncan, Robert A.5
- Et Al.5
- Jump, Donald B.5