Federal Reserve Bank of Philadelphia. "October 1965," Business Review (Federal Reserve Bank of Philadelphia) (October 1965). https://fraser.stlouisfed.org/title/5580/item/557444, accessed on March 29, 2024.
Federal Reserve Bank of Philadelphia. "October 1965," Business Review (Federal Reserve Bank of Philadelphia) (October 1965). https://fraser.stlouisfed.org/title/5580/item/557444, accessed on March 29, 2024.