United States. Bureau of Labor Statistics. "Industry Wage Survey: Meat Products: Part I: Meatpacking, Part II: Prepared Meat Products, November 1963 : Bulletin of the United States Bureau of Labor Statistics, No. 1415," Industry Wage Survey: Meat Products (1964). https://fraser.stlouisfed.org/title/4610/item/497922, accessed on March 28, 2025.