Federal Reserve Bank of St. Louis. "Selected Economic Indicators : Central Mississippi Valley, January 1971," Pieces of Eight (January 29, 1971). https://fraser.stlouisfed.org/title/5743/item/577869, accessed on April 25, 2024.
Federal Reserve Bank of St. Louis. "Selected Economic Indicators : Central Mississippi Valley, January 1971," Pieces of Eight (January 29, 1971). https://fraser.stlouisfed.org/title/5743/item/577869, accessed on April 25, 2024.