Area Wage Survey: The Cincinnati, Ohio-Kentucky-Indiana, Metropolitan Area, March 1969 : Bulletin of the United States Bureau of Labor Statistics, No. 1625-63
United States. Bureau of Labor Statistics. "Area Wage Survey: The Cincinnati, Ohio-Kentucky-Indiana, Metropolitan Area, March 1969 : Bulletin of the United States Bureau of Labor Statistics, No. 1625-63," Area Wage Survey (1969). https://fraser.stlouisfed.org/title/4655/item/498508, accessed on April 19, 2024.