- Oregon State University19
- Oregon State University. Forest Research Laboratory17
- Oregon. Dept. Of Geology And Mineral Industries15
- Forest Products Laboratory (U.S.)14
- Oregon State College. Extension Service7
- Kozlik, Charles J.5
- Mason, Ralph S.5
- Rohrmann, George F.5
- Bowen, Richard G.4
- Newton, Vernon C.4
- Oregon State University. Extension Service4
- Clatsop County (Or.)3
- Graham, R. D. (Robert D.)3
- Kryn, Jeannette Miriam, 1913 3
- Oregon Agricultural College. Alumni Association3
- Oregon State University. Agricultural Experiment Station3
- University Honors College3
- Adamus, Paul R.2
- Beaulieu, John D.2
- Brandt, Patricia A.2