Oregon State University. Extension Service; Washington State University. Cooperative Extension Service; University of Idaho. Cooperative Extension Service; Anderson, Donald E.; Adams, H. P. (Holyoke Purinton), 1922-; Pacific Northwest Cooperative Extension([Covallis, Or.] : Oregon State University Cooperative Extension Service, 1979-07)
Adams, H. P. (Holyoke Purinton), 1922-; Bushnell, Robert B.; Oregon State University. Extension Service([Corvallis, Or.] : Oregon State University Extension Service ; [Washington, D.C.] : U.S. Dept. of Agriculture, 1980-07)
Oregon State University. Extension Service.; Adams, H. P. (Holyoke Purinton), 1922-; Bodyfelt, F. W. (Floyd W.), 1937-(Corvallis, Or. : Extension Service, Oregon State University, 1973-12)