by USA Division of Chemistry

1892

by USA House of Representatives

1872

by USA. Bureau of Education

1896

by USA Congress House of Representatives

1874

by USA Department of Agriculture

1899

by USA Department of Agriculture

1873

by USA. Department of Agriculture

1880

by USA Department of Agriculture

1898

by USA. Congress

1898

by USA Department of Agriculture Division of Statistics

1891

by USA. Department of Agriculture

1890

by USA.

1898