International Molders' Union of North America
Herbert Scholz
Robert Thiébaut
Unknown Author
Nora Schadee
National Association of Colored Railway, Foundry, Factory, Mill, and Mine Workers of America.
Amalgamated Union of Engineering and Foundry Workers.
William Woodruff
Great Britain. Commission on Industrial Relations.
Jonathan Grossman
United States. Bureau of Labor Statistics
Ahmet Ayalp
United States. Bureau of Labor Statistics.
York Manufacturing Company
Core Makers' International Union of America. Local No. 7, Cleveland, Ohio
United States. Circuit Court (6th Circuit)
Eddie Webster
Core Makers' International Union of America. Local No. 9, Kansas City, Mo
Core Makers' International Union of America. Local No. 2, Elizabeth, N.J.