Federal Reserve Bank of Philadelphia. "August 1960," Business Review (Federal Reserve Bank of Philadelphia) (August 1960). https://fraser.stlouisfed.org/title/5580/item/557382, accessed on April 25, 2024.
Federal Reserve Bank of Philadelphia. "August 1960," Business Review (Federal Reserve Bank of Philadelphia) (August 1960). https://fraser.stlouisfed.org/title/5580/item/557382, accessed on April 25, 2024.