- Oregon. Dept. Of Geology And Mineral Industries164
- Forest Products Laboratory (U.S.)50
- Oregon State University. Extension Service38
- Oregon State University. Agricultural Experiment Station37
- Oregon State University29
- Oregon State College. Extension Service27
- Mason, Ralph S.26
- Newton, Vernon C.21
- Oregon State University. Forest Research Laboratory18
- Miller, Raymond H. (Raymond Herbert), 1895 17
- Oregon Agricultural College. Experiment Station16
- Oregon State University. College Of Forestry16
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club16
- Oregon. Fish Commission15
- Fobes, E. W.14
- Bowen, Richard G.13
- Corcoran, P. E. (Patrick E.)13
- Fleishman, Erica13
- Conway, Flaxen D. L.12
- Dalton, Meghan12