Federal Reserve Bank of Chicago. "February 1, 1941, Volume 24, Number 1," Business Conditions (Federal Reserve Bank of Chicago) (February 1, 1941). https://fraser.stlouisfed.org/title/5562/item/539936, accessed on May 15, 2024.
Federal Reserve Bank of Chicago. "February 1, 1941, Volume 24, Number 1," Business Conditions (Federal Reserve Bank of Chicago) (February 1, 1941). https://fraser.stlouisfed.org/title/5562/item/539936, accessed on May 15, 2024.