United States. Bureau of Labor Statistics. "April 1956," CPI Detailed Report (April 1956). https://fraser.stlouisfed.org/title/58/item/22291, accessed on April 24, 2024.
United States. Bureau of Labor Statistics. "April 1956," CPI Detailed Report (April 1956). https://fraser.stlouisfed.org/title/58/item/22291, accessed on April 24, 2024.