United States. Bureau of Labor Statistics. "July 1970," CPI Detailed Report (July 1970). https://fraser.stlouisfed.org/title/58/item/22262, accessed on March 28, 2024.
United States. Bureau of Labor Statistics. "July 1970," CPI Detailed Report (July 1970). https://fraser.stlouisfed.org/title/58/item/22262, accessed on March 28, 2024.