Masaru Ogihara
United States
United States. General Accounting Office
Howard Sallis
David Arrowsmith
J. Denecke
Unknown Author
Christian Brinkmann
United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Compensation and Employee Benefits.
Pirkko Karjalainen
National Industrial Conference Board. Canadian Office
United States. Congress. House
United States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Labor.
Wilhelm Bowe
United States. Congress. House. Committee on Post Office and Civil Service.
Ontario. Ministry of Labour. Research Branch.
Ohio Education Association.
E. M. Gottlieb
United States. Employment Standards Administration. Wage and Hour Division.