Occupational Wage Survey: Milwaukee, Wisconsin, April 1961 : Bulletin of the United States Bureau of Labor Statistics, No. 1285-64
United States. Bureau of Labor Statistics. "Occupational Wage Survey: Milwaukee, Wisconsin, April 1961 : Bulletin of the United States Bureau of Labor Statistics, No. 1285-64," Occupational Wage Survey (June 1961). https://fraser.stlouisfed.org/title/4510/item/495914, accessed on March 28, 2024.