- Oregon. State Game Commission103
- Oregon State University. Cooperative Extension Service55
- Oregon State University. Agricultural Experiment Station40
- Mack, H. J.30
- Frazier, W. A.26
- Baggett, James R.23
- Crowell, H. H.15
- Duncan, Andrew A.14
- Bullock, Richard M. (Richard Melvin), 1918 12
- Crabtree, Garvin Dudley10
- Vaughan, E. K.10
- Oregon State College. Federal Cooperative Extension Service9
- Osu Oregon Forestry Alumni Association9
- Sistrunk, W. A.9
- University Of Idaho. Agricultural Extension Service9
- Every, R. W.8
- Macswan, Iain C.8
- Morrison, H. E.7
- Washington State University. Extension Service7
- Duncan, A. A.6