by United States. Bureau of Animal Industry

1952

by United States. Bureau of Animal Industry

1924

by United States. Department of Agriculture. Office of Publications

1902

by United States. Department of Agriculture

1918

by Virgin Islands of the United States. Agricultural Experiment Station

1920

by Virgin Islands of the United States. Agricultural Experiment Station, St. Croix

1920

by United States. Bureau of Animal Industry

1904

by United States. Dept. of Agriculture

1897

by United States Civil Service Commission

1918

by United States. Federal Extension Service. Division of Cooperative Extension

1917

by United States. Bureau of Animal Industry

1886

by United States. Superintendent of Documents

1932