- Oregon State College. Federal Cooperative Extension Service118
- Oregon State College. Agricultural Experiment Station113
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)33
- Oregon. Forest Lands Research Center, Corvallis27
- Oregon State University. Agricultural Experiment Station25
- Moravets, F. L.20
- Graham, Robert D.9
- Irish, Arthur E.8
- Oregon Forest Products Laboratory7
- Carter, Myrtle Miller6
- Furtick, William Ralph, 1927 6
- Shearer, Marvin N.6
- Chilcote, David O.5
- Clark, R. Ralph5
- Cropsey, Myron George, 1910 5
- Davis, George B. (George Balfour), 1915 5
- Ewalt, H. P.5
- Gedney, Donald R.5
- Huber, M. G.5
- Kuhlman, G. W. (Gustav Wesley), 1894 5