Federal Reserve Bank of Philadelphia. "January 1963," Business Review (Federal Reserve Bank of Philadelphia) (January 1963). https://fraser.stlouisfed.org/title/5580/item/557411, accessed on April 26, 2024.
Federal Reserve Bank of Philadelphia. "January 1963," Business Review (Federal Reserve Bank of Philadelphia) (January 1963). https://fraser.stlouisfed.org/title/5580/item/557411, accessed on April 26, 2024.