Federal Reserve Bank of Philadelphia. "January 1973," Business Review (Federal Reserve Bank of Philadelphia) (January 1973). https://fraser.stlouisfed.org/title/5580/item/557532, accessed on March 28, 2024.
Federal Reserve Bank of Philadelphia. "January 1973," Business Review (Federal Reserve Bank of Philadelphia) (January 1973). https://fraser.stlouisfed.org/title/5580/item/557532, accessed on March 28, 2024.