United States. Bureau of Labor Statistics. "Occupational Compensation Survey: Pay Only, St. Louis, Missouri-Illinois, Metropolitan Area, February 1993 : Bulletin of the United States Bureau of Labor Statistics, No. 3070-11," Occupational Compensation Survey: Pay (August 1993). https://fraser.stlouisfed.org/title/6073/item/584674, accessed on September 11, 2024.