Oregon State College. Agricultural Experiment Station; Swenson, K. G. (Knud George), 1923-; Adlerz, W. C. (Warren Clifford)([Corvallis, Or.] : Agricultural Experiment Station, Oregon State College, 1956-11)
Oregon State University. Extension Service.; Swenson, K. G. (Knud George), 1923-; Every, R. W.(Corvallis, Or. : Extension Service, Oregon State University, 1962)
Oregon State University. Extension Service.; Swenson, K. G. (Knud George), 1923-; Every, R. W.(Corvallis, Or. : Extension Service, Oregon State University, 1966)
Oregon State University. Agricultural Experiment Station; Swenson, K. G. (Knud George), 1923-; Hagedorn, Donald J.(Corvallis, Or. : Agricultural Experiment Station. Oregon State University., 1974-06)
