Federal Reserve Bank of Philadelphia. "October 1, 1940," Business Review (Federal Reserve Bank of Philadelphia) (October 1, 1940). https://fraser.stlouisfed.org/title/5580/item/557144, accessed on March 29, 2024.
Federal Reserve Bank of Philadelphia. "October 1, 1940," Business Review (Federal Reserve Bank of Philadelphia) (October 1, 1940). https://fraser.stlouisfed.org/title/5580/item/557144, accessed on March 29, 2024.