Federal Reserve Bank of Chicago. "August 1, 1941," Business Conditions (Federal Reserve Bank of Chicago) (August 1, 1941). https://fraser.stlouisfed.org/title/5562/item/539942, accessed on April 24, 2024.
Federal Reserve Bank of Chicago. "August 1, 1941," Business Conditions (Federal Reserve Bank of Chicago) (August 1, 1941). https://fraser.stlouisfed.org/title/5562/item/539942, accessed on April 24, 2024.