United States. Bureau of Labor Statistics. "National Compensation Survey: Minneapolis-St. Paul, MN-WI, July 1998 : Bulletin of the United States Bureau of Labor Statistics, No. 3095-42," National Compensation Survey (Wages and Salaries) (September 1999). https://fraser.stlouisfed.org/title/6009/item/582332, accessed on December 12, 2024.