Occupational Wage Survey: Minneapolis-St. Paul, Minnesota, March 1957 : Bulletin of the United States Bureau of Labor Statistics, No. 1202-14
United States. Bureau of Labor Statistics. "Occupational Wage Survey: Minneapolis-St. Paul, Minnesota, March 1957 : Bulletin of the United States Bureau of Labor Statistics, No. 1202-14," Occupational Wage Survey (June 1957). https://fraser.stlouisfed.org/title/4510/item/495680, accessed on April 19, 2024.