- Oregon State Agricultural College. Agricultural Experiment Station137
- Oregon State University. Agricultural Experiment Station98
- Oregon State College. Agricultural Experiment Station78
- Oregon Agricultural College. Experiment Station44
- Oregon State University. Extension Service42
- Oregon State University. Malheur Experiment Station32
- Powers, W. L. (Wilbur Louis), 188716
- Hartman, Henry, 1889 15
- Oregon. State Game Commission. Fishery Division14
- Potter, E. L. (Ermine Lawrence), 1884 14
- Robinson, R. H. (Reginald Heber), 1886 14
- Wilster, G. H. (Gustav Hans), 189314
- Pacific Marine Fisheries Commission12
- Schuster, C. E. (Carl Ephraim), 1889 12
- U.S. International Biological Program. Coniferous Forest Biome12
- Oregon State College. Extension Service11
- Klamath County (Or.)10
- Oregon State University. Water Resources Research Institute10
- Price, F. E. (Frederick Earl), 1898 10
- United States. Agricultural Research Service10