Occupational Wage Survey: Des Moines, Iowa, February 1963 : Bulletin of the United States Bureau of Labor Statistics, No. 1345-42
United States. Bureau of Labor Statistics. "Occupational Wage Survey: Des Moines, Iowa, February 1963 : Bulletin of the United States Bureau of Labor Statistics, No. 1345-42," Occupational Wage Survey (1963). https://fraser.stlouisfed.org/title/4510/item/497736, accessed on June 3, 2024.