United States. Bureau of Labor Statistics. "April 1960," CPI Detailed Report (April 1960). https://fraser.stlouisfed.org/title/58/item/22266, accessed on May 7, 2024.
United States. Bureau of Labor Statistics. "April 1960," CPI Detailed Report (April 1960). https://fraser.stlouisfed.org/title/58/item/22266, accessed on May 7, 2024.