- Oregon State University. Agricultural Experiment Station24
- Forest Products Laboratory (U.S.)23
- Hansen, E. M.21
- Letelier, Ricardo M.18
- Oregon State University. Extension Service18
- Grunwald, N. J.17
- Dunley, John E.16
- Et Al.16
- Greenfield, Bruce M.16
- Kamvar, Z. N.16
- Kanaskie, A. M.16
- Larsen, M. M.16
- Bellantoni, L.15
- Jaiswal, Pankaj15
- Mcgivern, C. L.15
- Schellman, H.15
- Davis, E. M. (Edward Manning), 1891 14
- Dickinson, E. M. (Ernest Milton), 1905 14
- Oregon State College. Agricultural Experiment Station14
- Weis, Virginia M.14