Federal Reserve Bank of Chicago. "March 1, 1941, Volume 24, Number 2," Business Conditions (Federal Reserve Bank of Chicago) (March 1, 1941). https://fraser.stlouisfed.org/title/5562/item/539937, accessed on May 1, 2024.
Federal Reserve Bank of Chicago. "March 1, 1941, Volume 24, Number 2," Business Conditions (Federal Reserve Bank of Chicago) (March 1, 1941). https://fraser.stlouisfed.org/title/5562/item/539937, accessed on May 1, 2024.