- United States. Division Of Forestry2
- Chittenden, F. H. (Frank Hurlbut), 1851 19231
- Chittenden, F. H. (Frank Hurlbut), 1858 19291
- Cordley, A. B. (Arthur Burton), 1864 19361
- Fernow, B. E. (Bernhard Eduard), 1851 19231
- Indian War Veterans And Historical Society1
- Native Sons Of Oregon1
- Oregon Agricultural College. Experiment Station1
- Oregon Agricultural Experiment Station1
- Oregon Pioneer Association1
- Roth, Filibert, 1858 19251
- Searl, Albert1
- Spalding, Volney M. (Volney Morgan), 1849 19181
- Steel, Will A.1
- Sudworth, George Bishop, 1862 19271
- United States. Division Of Entomology1