- Forest Products Laboratory (U.S.)3
- Oregon State College. Federal Cooperative Extension Service3
- Browne, F. L. (Frederick Lincoln), 1895 2
- Fleischer, Herbert O.2
- Heebink, Bruce G.2
- Laughnan, Don F.2
- Oregon State College. Agricultural Experiment Station2
- Bouquet, A. G. B. (Arthur George Bristow), 1885 1
- Breithaupt, L. R. (Le Roy), 1886 1
- Davis, George B. (George Balfour), 1915 1
- Degman, E. S. (Elliott Sanford), 1906 1
- Hansbrough, J. R. (John Raymond), 1903 1
- Luxford, R. F. (Ronald Floyd), 1889 1
- Macdonald, Norma.1
- Miller, P. W. (Paul William), 1901 1
- Mumford, D. Curtis (Dwight Curtis), 1900 1
- Nielsen, N. I.1
- Schuster, C. E. (Carl Ephraim), 1889 1
- Thomas, M. D.1
- Waterman, A. M.1