Oregon State College. Agricultural Experiment Station; Hoffman, C. S. (Charles Sumner); Breithaupt, L. R. (Le Roy), 1886-([Corvallis, Or.] : Agricultural Experiment Station, Oregon State College, 1936-07)
Oregon State College. Agricultural Experiment Station; Hoffman, C. S. (Charles Sumner); Breithaupt, L. R. (Le Roy), 1886-([Corvallis, Or.] : Agricultural Experiment Station, Oregon State College, 1936-06)
Oregon State College. Agricultural Experiment Station; Hoffman, C. S. (Charles Sumner); Breithaupt, L. R. (Le Roy), 1886-([Corvallis, Or.] : Agricultural Experiment Station, Oregon State College, 1936-06)
Oregon State College. Agricultural Experiment Station; Breithaupt, L. R. (Le Roy), 1886-; Hoffman, C. S. (Charles Sumner)([Corvallis, Or.] : Agricultural Experiment Station, Oregon State College, 1936-08)
Oregon State College. Agricultural Experiment Station; Hoffman, C. S. (Charles Sumner); Breithaupt, L. R. (Le Roy), 1886-([Corvallis, Or.] : Agricultural Experiment Station, Oregon State College, 1936-05)
Oregon State College. Agricultural Experiment Station; Hoffman, C. S. (Charles Sumner); Breithaupt, L. R. (Le Roy), 1886-([Corvallis, Or.] : Agricultural Experiment Station, Oregon State College, 1936-06)
