by USA Division of Vegetable Pathology

1894

by USA. Department of Agriculture

1897

by USA Department of Agriculture

1899

by USA. Congress

1899

by USA Congress House of Representatives

1898

by USA Department of Agriculture

1898

by USA Office of Experiment Stations

1895

by USA. Division of Entomology

1897

by USA Division of Botany

1886

by USA. Congress. Senate

1898

by USA. Bureau of Education

1893