Creator
- Tratman, E. E. R. (Edward Ernest Russell), 1863 2
- Boothe, Joe Miles1
- Fernow, B. E. (Bernhard Eduard), 1851 19231
- Nash, Wallis1
- Oregon Agricultural College. Extension Service1
- Pratt, Lois L.1
- Review Publishing Company1
- United States. Department Of Agriculture. Forestry Division1
- United States. Division Of Forestry1