United States. Bureau of Labor Statistics. "National Compensation Survey: Washington-Baltimore, DC-MD-VA-WV, April 2003 : Bulletin of the United States Bureau of Labor Statistics, No. 3120-27," National Compensation Survey (Wages and Salaries) (December 2003). https://fraser.stlouisfed.org/title/6009/item/582705, accessed on September 22, 2024.