United States. Bureau of Labor Statistics. "May 1961," CPI Detailed Report (May 1961). https://fraser.stlouisfed.org/title/58/item/22049, accessed on May 2, 2024.
United States. Bureau of Labor Statistics. "May 1961," CPI Detailed Report (May 1961). https://fraser.stlouisfed.org/title/58/item/22049, accessed on May 2, 2024.