by Oregon. Legislative Assembly

1923

by Oregon. Agricultural experiment station, Corvallis

1905

by Oregon

1909

by Oregon. Office of Superintendent of Public Instruction

1923

by Oregon. Board of Horticulture

1899

by Oregon. Board of Horticulture

1929

by Oregon. State Tax Commission

1900

by Oregon. State Tax Commission

1897

by Oregon

1897

by Oregon

1927

by Oregon Agricultural College

1915

by Oregon. Treasury Department

1894