Federal Reserve Bank of Philadelphia. "August 1966," Business Review (Federal Reserve Bank of Philadelphia) (August 1966). https://fraser.stlouisfed.org/title/5580/item/557454, accessed on April 20, 2024.
Federal Reserve Bank of Philadelphia. "August 1966," Business Review (Federal Reserve Bank of Philadelphia) (August 1966). https://fraser.stlouisfed.org/title/5580/item/557454, accessed on April 20, 2024.