Federal Reserve Bank of Philadelphia. "May 1, 1941," Business Review (Federal Reserve Bank of Philadelphia) (May 1, 1941). https://fraser.stlouisfed.org/title/5580/item/557151, accessed on May 4, 2024.
Federal Reserve Bank of Philadelphia. "May 1, 1941," Business Review (Federal Reserve Bank of Philadelphia) (May 1, 1941). https://fraser.stlouisfed.org/title/5580/item/557151, accessed on May 4, 2024.