Area Wage Survey: The South Bend, Indiana, Metropolitan Area, March 1972 : Bulletin of the United States Bureau of Labor Statistics, No. 1725-60
United States. Bureau of Labor Statistics. "Area Wage Survey: The South Bend, Indiana, Metropolitan Area, March 1972 : Bulletin of the United States Bureau of Labor Statistics, No. 1725-60," Area Wage Survey (1972). https://fraser.stlouisfed.org/title/4655/item/498836, accessed on April 19, 2024.