United States. Bureau of Labor Statistics. "Fourth Quarter 2003 : Revision of County Employment and Wages: Fourth Quarter 2003, USDL 04-1200,"
County Employment and Wages
(July 8, 2004).
https://fraser.stlouisfed.org/title/9614/item/701564/content/pdf/cewqtr_20040708_revision, accessed on March 15, 2026.