Federal Reserve Bank of Philadelphia. "December 1963," Business Review (Federal Reserve Bank of Philadelphia) (December 1963). https://fraser.stlouisfed.org/title/5580/item/557422, accessed on May 8, 2024.
Federal Reserve Bank of Philadelphia. "December 1963," Business Review (Federal Reserve Bank of Philadelphia) (December 1963). https://fraser.stlouisfed.org/title/5580/item/557422, accessed on May 8, 2024.