Federal Reserve Bank of Philadelphia. "July 1, 1921," Business Review (Federal Reserve Bank of Philadelphia) (July 1, 1921). https://fraser.stlouisfed.org/title/5580/item/557818, accessed on May 2, 2024.
Federal Reserve Bank of Philadelphia. "July 1, 1921," Business Review (Federal Reserve Bank of Philadelphia) (July 1, 1921). https://fraser.stlouisfed.org/title/5580/item/557818, accessed on May 2, 2024.