- Oregon State College. Agricultural Experiment Station5
- Forest Products Laboratory (U.S.)3
- Kuhlman, G. W. (Gustav Wesley), 1894 2
- Oregon State College. Federal Cooperative Extension Service2
- Becker, Manning H. (Manning Henry), 1922 1
- Brogan, John Philip1
- Crews, Robert Wayne1
- Gray, Allan Williamson1
- Mathewson, J. S. (James Stanley), 1889 1
- Matson, Elmer E.1
- Moore, Edward Harry1
- Oregon. State Game Commission1
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)1
- Parks, Walter Howard1
- Rowe, Gordon Akin, 1920 1
- Schlappi, Herman Casper1
- United States. Department Of Agriculture1
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club1
- Wiegand, Ernest Herman, 1886 1
- Wilson, T. R. C. (Thomas Randall Carson), 1884 1