United States. Bureau of Labor Statistics. "Industry Wage Survey: Corrugated and Solid Fiber Boxes, March 1976 : Bulletin of the United States Bureau of Labor Statistics, No. 1921," Industry Wage Survey: Corrugated and Solid Fiber Boxes (1977). https://fraser.stlouisfed.org/title/4591/item/499291, accessed on December 3, 2024.