Occupational Wage Survey: Washington, D.C.-Md.-Va., October 1963 : Bulletin of the United States Bureau of Labor Statistics, No. 1385-17
United States. Bureau of Labor Statistics. "Occupational Wage Survey: Washington, D.C.-Md.-Va., October 1963 : Bulletin of the United States Bureau of Labor Statistics, No. 1385-17," Occupational Wage Survey (1964). https://fraser.stlouisfed.org/title/4510/item/497838, accessed on March 29, 2024.