Federal Reserve Bank of Philadelphia. "December 1965," Business Review (Federal Reserve Bank of Philadelphia) (December 1965). https://fraser.stlouisfed.org/title/5580/item/557446, accessed on March 28, 2024.
Federal Reserve Bank of Philadelphia. "December 1965," Business Review (Federal Reserve Bank of Philadelphia) (December 1965). https://fraser.stlouisfed.org/title/5580/item/557446, accessed on March 28, 2024.