Federal Reserve Bank of Philadelphia. "August 1, 1940," Business Review (Federal Reserve Bank of Philadelphia) (August 1, 1940). https://fraser.stlouisfed.org/title/5580/item/557142, accessed on April 19, 2024.
Federal Reserve Bank of Philadelphia. "August 1, 1940," Business Review (Federal Reserve Bank of Philadelphia) (August 1, 1940). https://fraser.stlouisfed.org/title/5580/item/557142, accessed on April 19, 2024.