Occupational Wage Survey: Lawrence-Haverhill, Massachusetts-New Hampshire, June 1962 : Bulletin of the United States Bureau of Labor Statistics, No. 1303-76
United States. Bureau of Labor Statistics. "Occupational Wage Survey: Lawrence-Haverhill, Massachusetts-New Hampshire, June 1962 : Bulletin of the United States Bureau of Labor Statistics, No. 1303-76," Occupational Wage Survey (1962). https://fraser.stlouisfed.org/title/4510/item/497652, accessed on April 18, 2024.