Occupational Wage Survey: Muskegon-Muskegon Heights, Michigan, May 1961 : Bulletin of the United States Bureau of Labor Statistics, No. 1285-69
United States. Bureau of Labor Statistics. "Occupational Wage Survey: Muskegon-Muskegon Heights, Michigan, May 1961 : Bulletin of the United States Bureau of Labor Statistics, No. 1285-69," Occupational Wage Survey (July 1961). https://fraser.stlouisfed.org/title/4510/item/495919, accessed on April 19, 2024.