United States. Bureau of Labor Statistics. "National Compensation Survey: Washington-Baltimore, DC-MD-VA-WV, April 2000 : Bulletin of the United States Bureau of Labor Statistics, No. 3105-34," National Compensation Survey (Wages and Salaries) (January 2001). https://fraser.stlouisfed.org/title/6009/item/582488, accessed on September 19, 2024.