- Oregon. Dept. Of Geology And Mineral Industries163
- Mason, Ralph S.26
- Oregon State University. Agricultural Experiment Station21
- Oregon State University. Extension Service21
- Newton, Vernon C.20
- Oregon Agricultural College. Experiment Station17
- Hatfield Marine Science Center15
- Bowen, Richard G.13
- Lewis, C. I. (Claude Isaac), 1880 192411
- Lund, Ernest H.11
- Oregon State University. Forest Research Laboratory11
- Peterson, Norman V.11
- Oregon Agricultural Experiment Station10
- University Honors College10
- Lange, Erwin F.9
- Beaulieu, John D.8
- Byrne, John Vincent, 1928 8
- Forest Products Laboratory (U.S.)8
- Groh, Edward A.8
- Oregon Agricultural College8