Creator
- Youngberg, Harold Wayne, 1929 [remove]30
- Oregon State University. Extension Service28
- Chilcote, David O.11
- Young, William C. (William Clyde)4
- Grabe, Don F.2
- Hickerson, Hugh2
- Adams, H. P. (Holyoke Purinton), 1922 1
- Albeke, D.1
- Besse, Steve1
- Claypool, D.1
- Cook, Ronald Lawrence1
- Gingrich, Gale Allen1
- Hannaway, D. B.1
- Hardin, Ed1
- Kirk, Dale E. (Dale Earl), B. 1918.1
- Leffel, John Alvan1
- Mcguire, William S.1
- Vough, Lester Ray, 1944 1
- Whitson, Tom D.1
- Zimmerman, Martin1