- Oregon State College. Federal Cooperative Extension Service3
- Forest Products Laboratory (U.S.)2
- Oregon State College. Agricultural Experiment Station2
- Bauder, George Emil1
- Bennion, N. L. (Noel Lindsay), 1903 1
- Clark, Wilbur G.1
- Dickinson, E. M. (Ernest Milton), 1905 1
- Englerth, George H. (George Henry), 1907 19911
- Oregon State College. Department Of Horticulture1
- Oregon State College. Department Of Plant Pathology1
- Oregon State College. Department Of Soils1
- Oregon. State Game Commission1
- Rietz, Raymond Carl, 1901 1
- Robinson, Dan D.1
- Stamm, Alfred J. (Alfred Joaquim), 1897 1
- United States. Division Of Forest Pathology1