Occupational Wage Survey: Worcester, Massachusetts, June 1961 : Bulletin of the United States Bureau of Labor Statistics, No. 1285-80
United States. Bureau of Labor Statistics. "Occupational Wage Survey: Worcester, Massachusetts, June 1961 : Bulletin of the United States Bureau of Labor Statistics, No. 1285-80," Occupational Wage Survey (July 1961). https://fraser.stlouisfed.org/title/4510/item/495932, accessed on March 28, 2024.