- United States. Forest Service32
- Pacific Northwest Cooperative Extension29
- Tunnock, Scott29
- Baggett, James R.28
- Lane County Historical Society (Or.)27
- Stebbins, Robert L.27
- Jackson, T. L.26
- Oregon. Fish Commission25
- Osis, Laimons25
- Hamel, Dennis R.24
- Nelson, A. Gene23
- Demory, Darrell22
- Oregon. Wildlife Commission21
- Bousfield, Wayne E.20
- Dooling, Oscar J.19
- Meyer, Hubert E.19
- University Of Idaho. Cooperative Extension Service19
- Youngberg, Harold Wayne, 1929 19
- Pearcy, William G.18
- Smith, Frederick J. (Frederick John), 1936 18