Area Wage Survey: The South Bend, Indiana, Metropolitan Area, March 1970 : Bulletin of the United States Bureau of Labor Statistics, No. 1660-62
United States. Bureau of Labor Statistics. "Area Wage Survey: The South Bend, Indiana, Metropolitan Area, March 1970 : Bulletin of the United States Bureau of Labor Statistics, No. 1660-62," Area Wage Survey (1970). https://fraser.stlouisfed.org/title/4655/item/498615, accessed on May 2, 2024.