Creator
- Forest Products Laboratory (U.S.)4
- Boller, Kenneth H.2
- Tratman, E. E. R. (Edward Ernest Russell), 1863 2
- Werren, Fred2
- Ericksen, Wilhelm S.1
- Fernow, B. E. (Bernhard Eduard), 1851 19231
- March, H. W.1
- Norris, Charles, B. (Charles Brazer), 1894 1
- Oregon Agricultural College. Extension Service1
- Oregon State University. Agricultural Experiment Station1
- Smith, C. B.1
- United States. Department Of Agriculture. Forestry Division1
- United States. Division Of Forestry1