by National Electric Light Association

1930

by National Association of Cost Accountants (U.S.)

1923

by National Electric Light Association

1918

by National Popular Government League

1927

by National Association of Railway Commissioners

1911

by National Agricultural Library (U.S.)

1967

by National Electric Light Association

1929

by National Electric Light Association, National Electric Light Association. Convention

1928

by National Electric Light Association

1923

by National Association of Cost Accountants (U.S.)

1921

by National Tax Association

1922

by National Electric Light Association. Rate Research Committee

1929