- Stephens, David E. (David Edmund), 1879 10
- Oregon Agricultural College. Experiment Station4
- Martin, J. F. (James Foster), 1905 2
- Oregon State Agricultural College. Agricultural Experiment Station2
- Oregon State College. Agricultural Experiment Station2
- Richards, D. E. (Dale Everette), 1892 2
- Hill, C. E. (Charles Edwin), 1889 1
- Hill, D. D. (Donald David), 1894 1
- Hutchison, Roy E. (Roy Emery)1
- Hyslop, G. R. (George Robert), 1884 1
- Jackman, E. R. (Edwin Russell), 1894 1
- Mitchell, George A. (George Adamson)1
- Oregon State College. Federal Cooperative Extension Service1
- Oveson, M. M. (Merrill Mahonri), 1900 1
- Shattuck, Obil, 1885 1
- Sherman Branch Experiment Station1
- Sherman County Branch Experiment Station1
- United States. Division Of Cereal Crops And Diseases1
- Webb, R. B. (Robert Billings), 1907 1
- Withycombe, Robert, 1880 1