by Ohio. Office of the State Commissioner of Common Schools

1879

by Ohio

1913

by Ohio. Department of Agriculture

1913

by Ohio. General Assembly

1914

by Ohio State Educational Conference

1929

by Ohio. General Assembly. Senate

1829

by Ohio

1888

by Ohio. General Assembly. Senate

1913

by Ohio State University

1923

by Everett Crawford, James M. Furman, Ohio. General Assembly. Legislative Service Commission

1957

by Geological Survey of Ohio

1906

by Ohio. Department of Education. Classification Committee, Ohio. Department of Education

1925