Arthur Miller
United States. General Accounting Office
Claude McKay
United States. Bureau of Labor Statistics.
Mark Bowden
Eric Hoffer
Budd Schulberg
Charles P. Larrowe
Jane May
Gilbert Mers
Great Britain. Ministry of Labour.
Peter Cole
Martin Ballard
John Lovell
Great Britain. Royal Commission on Labour.
United States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Labor.