by Oregon. Board of State Tax Commissioners, Oregon

1898

by Oregon. State Tax Commission

1913

by Oregon Agricultural College

1923

by Oregon. State Tax Commission

1913

by Oregon State University. Engineering Experiment Station

1930

by Oregon. State University, Corvallis. Engineering Experiment Station

1930

by Oregon State University. Agricultural Experiment Station

1908

by Oregon State University. Engineering Experiment Station

1929

by Oregon. Office of the Secretary of State

1927

by Oregon State University

1921

by Oregon Agricultural College

1921

by Oregon State University. Agricultural Experiment Station

1897