Area Wage Survey: The Waterloo, Iowa, Metropolitan Area, November 1970 : Bulletin of the United States Bureau of Labor Statistics, No. 1685-32
United States. Bureau of Labor Statistics. "Area Wage Survey: The Waterloo, Iowa, Metropolitan Area, November 1970 : Bulletin of the United States Bureau of Labor Statistics, No. 1685-32," Area Wage Survey (1971). https://fraser.stlouisfed.org/title/4655/item/498694, accessed on March 28, 2024.