Federal Reserve Bank of Philadelphia. "July 1965," Business Review (Federal Reserve Bank of Philadelphia) (July 1965). https://fraser.stlouisfed.org/title/5580/item/557441, accessed on April 25, 2024.
Federal Reserve Bank of Philadelphia. "July 1965," Business Review (Federal Reserve Bank of Philadelphia) (July 1965). https://fraser.stlouisfed.org/title/5580/item/557441, accessed on April 25, 2024.