by United States. Railroad administration. Division of labor

1919

by United Mine Workers of America

1919

by United States. Board of Mediation

1927

by United States Civil Service Commission

1930

by United States. Fuel Administration. Distribution Division

1919

by United States. Children's Bureau

1919

by United States. Bureau of Labor Statistics

1919

by United States. Women's Bureau

1919

by United States. Dept. of Commerce

1920

by United States. War Industries Board

1919

by United States. Bureau of Engraving and Printing

1922

by United States. War Industries Board

1919