Federal Reserve Bank of St. Louis. "Selected Economic Indicators : Central Mississippi Valley, May 1970," Pieces of Eight (May 29, 1970). https://fraser.stlouisfed.org/title/5743/item/577861, accessed on March 28, 2024.
Federal Reserve Bank of St. Louis. "Selected Economic Indicators : Central Mississippi Valley, May 1970," Pieces of Eight (May 29, 1970). https://fraser.stlouisfed.org/title/5743/item/577861, accessed on March 28, 2024.