United States. Bureau of Labor Statistics. "National Compensation Survey: Cincinnati-Hamilton, OH-KY-IN, October 2001 : Bulletin of the United States Bureau of Labor Statistics, No. 3110-72," National Compensation Survey (Wages and Salaries) (June 2002). https://fraser.stlouisfed.org/title/6009/item/582594, accessed on January 28, 2025.