Creator
- Oregon Agricultural College6
- Oregon Agricultural College. Experiment Station3
- Oregon State Agricultural College. Extension Service3
- Benton County Growers' Association1
- Carney, Mabel, 1885 1
- Forest Products Laboratory (U.S.)1
- Giles, Harry F.1
- Hinshaw, H. A.1
- Kent, F. L. (Fred Leroy), 1868 1
- Koehler, Arthur, 1885 1
- Oregon Agricultural College. Alumni Association1
- Scudder, H. D. (Henry Desborough), 1881 1
- Southern Pacific Company1
- Thompson, William, Colonel1