Federal Reserve Bank of St. Louis. "Selected Economic Indicators : Central Mississippi Valley, 3rd Quarter 1971," Pieces of Eight (November 2, 1971). https://fraser.stlouisfed.org/title/5743/item/577799, accessed on April 26, 2024.
Federal Reserve Bank of St. Louis. "Selected Economic Indicators : Central Mississippi Valley, 3rd Quarter 1971," Pieces of Eight (November 2, 1971). https://fraser.stlouisfed.org/title/5743/item/577799, accessed on April 26, 2024.