National Association of Manufacturers (U.S.)
Paul Sultan
Frank K. Foster
Clarence Darrow
W. E. J. McCarthy
Ernest Frederick Lloyd
Lamar T. Beman
Frank T. Stockton
Andrew Furuseth
Citizens' Industrial Association of America. Publication Department
Daniel H. Pollitt
Edison L. Bowers
Samuel Gompers
Keller, Edward A.
Savel Zimand
Frank Keyes Foster
Academy of Political Science (U.S.)