Occupational Wage Survey: Providence-Pawtucket, Rhode Island-Massachusetts, May 1961 : Bulletin of the United States Bureau of Labor Statistics, No. 1285-70
United States. Bureau of Labor Statistics. "Occupational Wage Survey: Providence-Pawtucket, Rhode Island-Massachusetts, May 1961 : Bulletin of the United States Bureau of Labor Statistics, No. 1285-70," Occupational Wage Survey (July 1961). https://fraser.stlouisfed.org/title/4510/item/495921, accessed on April 25, 2024.