by United States. Bureau of Dairy Industry

by United States. Bureau of Foreign and Domestic Commerce

1928

by United States. Bureau of Chemistry

1893

by United States. Bureau of Labor Statistics

1916

by United States. Livestock Sanitary Association

1927

by United States. Bureau of Agricultural Economics. Division of Dairy and Poultry Products

1922

by United States. Department of Agriculture

1918

by United States. Bureau of Agricultural Economics

1923

by International Dairy Congress. Delegation from the United States

1929

by United States. Children's Bureau

1926

by United States. War Industries Board. Central Statistical Clearing House

1918

by United States. Department of Agriculture

1927