Industry Wage Survey: Iron and Steel Foundries, November 1967 : Bulletin of the United States Bureau of Labor Statistics, No. 1626
United States. Bureau of Labor Statistics. "Industry Wage Survey: Iron and Steel Foundries, November 1967 : Bulletin of the United States Bureau of Labor Statistics, No. 1626," Industry Wage Survey: Iron and Steel Foundries (1969). https://fraser.stlouisfed.org/title/4605/item/498537, accessed on April 25, 2024.