United States. Bureau of Labor Statistics. "September 1957," CPI Detailed Report (September 1957). https://fraser.stlouisfed.org/title/58/item/22046, accessed on April 19, 2024.
United States. Bureau of Labor Statistics. "September 1957," CPI Detailed Report (September 1957). https://fraser.stlouisfed.org/title/58/item/22046, accessed on April 19, 2024.