by Oregon Agricultural College. Library

1926

by Oregon. Agricultural experiment station, Corvallis

1915

by Wilbur Louis Powers, Oregon State University. Agricultural Experiment Station

1916

by Oregon State University. Agricultural Experiment Station

1914

by Oregon State Agricultural College. Experiment Station

1913

by Oregon. Legislative Assembly. Senate

1905

by University of Oregon

1922

by Oregon. Legislative Assembly. Senate

1905

by Oregon. Legislative Assembly. Senate

1905

by Oregon. State Engineer

1906

by Oregon. Office of the Secretary of State

1913

by Oregon. State Engineer

1918