Federal Reserve Bank of Philadelphia. "March 1973," Business Review (Federal Reserve Bank of Philadelphia) (March 1973). https://fraser.stlouisfed.org/title/5580/item/557534, accessed on April 25, 2024.
Federal Reserve Bank of Philadelphia. "March 1973," Business Review (Federal Reserve Bank of Philadelphia) (March 1973). https://fraser.stlouisfed.org/title/5580/item/557534, accessed on April 25, 2024.