Occupational Wage Survey: Portland, Maine, November 1962 : Bulletin of the United States Bureau of Labor Statistics, No. 1345-24
United States. Bureau of Labor Statistics. "Occupational Wage Survey: Portland, Maine, November 1962 : Bulletin of the United States Bureau of Labor Statistics, No. 1345-24," Occupational Wage Survey (1963). https://fraser.stlouisfed.org/title/4510/item/497718, accessed on December 5, 2023.