Creator
- Cropsey, Myron George, 1910 2
- Oregon State College. Agricultural Experiment Station2
- Bailey, Sam H.1
- Doty, Maxwell Stanford1
- Long Range Planning Conference (1947 : Umatilla County, Or.)1
- Oregon State College. Extension Service1
- Oregon State College. Federal Cooperative Extension Service1
- Price, F. E. (Frederick Earl), 1898 1
- Ross, John E., 1914 1
- Umatilla County (Or.)1
- Walker, Clyde, 1901 1