Area Wage Survey: The Toledo, Ohio-Michigan, Metropolitan Area, April 1972 : Bulletin of the United States Bureau of Labor Statistics, No. 1725-78
United States. Bureau of Labor Statistics. "Area Wage Survey: The Toledo, Ohio-Michigan, Metropolitan Area, April 1972 : Bulletin of the United States Bureau of Labor Statistics, No. 1725-78," Area Wage Survey (1972). https://fraser.stlouisfed.org/title/4655/item/498853, accessed on March 18, 2024.