United States. Bureau of Labor Statistics and United States. Bureau of Labor Statistics. Office of Wages and Industrial Relations. "Industry Wage Survey: Synthetic Fibers, February-April 1966 : Bulletin of the United States Bureau of Labor Statistics, No. 1540," Industry Wage Survey: Synthetic Fibers (1967). https://fraser.stlouisfed.org/title/4634/item/498289, accessed on October 13, 2024.