United States. Bureau of Labor Statistics. "National Compensation Survey: Washington-Baltimore, DC-MD-VA-WV, April 2002 : Bulletin of the United States Bureau of Labor Statistics, No. 3115-33," National Compensation Survey (Wages and Salaries) (December 2002). https://fraser.stlouisfed.org/title/6009/item/582634, accessed on September 12, 2024.