Contributor
- Kennick, Walter H.4
- Ralston, A. T.4
- Bogart, Ralph3
- Crabtree, Garvin3
- Mcarthur, James A. B.3
- William, Ray D.3
- Buckhouse, John C.2
- Church, David C.2
- Davidson, T. P.2
- Feibert, Erik B. G.2
- Frischknecht, W. Dean2
- Hohenboken, William D.2
- Ishida, Joey2
- Miller, J. C.2
- Oregon State College. Federal Cooperative Extension Service2
- Pacific Northwest Cooperative Extension2
- Riggert, Craig2
- Sheets, Arden2
- Shock, Clinton C.2
- Ticknor, Bob2