- Forest Products Laboratory (U.S.)46
- Oregon Agricultural College. Experiment Station14
- Oregon State Agricultural College. Extension Service14
- Johnson, A. Grace6
- Hyslop, G. R. (George Robert), 1884 3
- Lovett, A. L. (Arthur Lester), 1885 19243
- Powers, W. L. (Wilbur Louis), 18873
- Johnston, W. W. (William Waters), 1896 2
- Potter, E. L. (Ermine Lawrence), 1884 2
- Reimer, F. C. (Frank Charles), 1881 2
- Withycombe, Robert, 1880 2
- Altstadt, George J.1
- Bateman, Ernest1
- Bell, James Carscallen, 1881 1
- Biles, Jessie1
- Black, A. B. (A. Burr)1
- Brennan, Andrew F.1
- Brett, Sereno E.1
- Brown, Gordon G. (Gordon George), 1887 1
- Chamberlin, W. J. (Willard Joseph), 1890 1