United States. Bureau of Labor Statistics. "March 1957," CPI Detailed Report (March 1957). https://fraser.stlouisfed.org/title/58/item/22230, accessed on March 28, 2024.
United States. Bureau of Labor Statistics. "March 1957," CPI Detailed Report (March 1957). https://fraser.stlouisfed.org/title/58/item/22230, accessed on March 28, 2024.