by National Conference of Commissioners on Uniform State Laws

1914

by National Conference of Commissioners on Uniform State Laws

1902

by National Conference of Commissioners on Uniform State Laws

1907

by National Conference of Commissioners on Uniform State Laws

1910

by National Conference of Commissioners on Uniform State Laws. Meeting

1916

by National Conference of Commissioners on Uniform State Laws

1920

by National Child Labor Committee (U.S.)

1910

by National Association of Manufacturers (U.S.)

1911

by National Association of Credit Men (U.S.)

1909

by National Association of Railroad and Utilities Commissioners. Annual Convention

1929

by National Safety Council

1928

by National Board of Trade

1907