United States. Bureau of Labor Statistics. "Industry Wage Survey: Pressed or Blown Glass and Glassware, June 1986 : Bulletin of the United States Bureau of Labor Statistics, No. 2286," Industry Wage Survey: Pressed or Blown Glass and Glassware (September 1987). https://fraser.stlouisfed.org/title/4626/item/530786, accessed on January 14, 2025.