United States. Bureau of Labor Statistics. "Area Wage Survey: The Providence-Pawtucket-Warwick, Rhode Island-Massachusetts, Metropolitan Area, May 1970 : Bulletin of the United States Bureau of Labor Statistics, No. 1660-72,"
Area Wage Survey
(1970).
https://fraser.stlouisfed.org/title/4655/item/498625, accessed on December 2, 2024.