United States. Bureau of Labor Statistics and United States. Bureau of Labor Statistics. Office of Wages and Industrial Relations. "Industry Wage Survey: Synthetic Fibers, August 1976 : Bulletin of the United States Bureau of Labor Statistics, No. 1975," Industry Wage Survey: Synthetic Fibers (1977). https://fraser.stlouisfed.org/title/4634/item/499409, accessed on March 17, 2025.