- Oregon State College. Extension Service7
- Automobile Club Of Oregon5
- Forest Products Laboratory (U.S.)4
- Mcdaniel, E. B.4
- Oregon State Agricultural College. Agricultural Experiment Station4
- Gray, K. W. (Kenneth Wiesner), 1905 3
- Oregon. Fish Commission3
- Shelton, J. E.3
- Buck, C. J.2
- Dimick, Roland Eugene, 1900 2
- Dykstra, Theodore P. (Theodore Peter), 1896 19792
- Findlay, W. C.2
- Mcleod, Kenneth Neil2
- Mote, Don C. (Don Carlos), 1887 2
- Oregon State College. Agricultural Experiment Station2
- Oregon State College. Federal Cooperative Extension Service2
- Oregon State Planning Board2
- Stamm, Alfred J. (Alfred Joaquim), 1897 2
- Anderson, Wallace1
- Appleton, John B. (John Bargate)1