Federal Reserve Bank of Chicago. "July 1, 1941, Volume 24, Number 6," Business Conditions (Federal Reserve Bank of Chicago) (July 1, 1941). https://fraser.stlouisfed.org/title/5562/item/539941, accessed on May 5, 2024.
Federal Reserve Bank of Chicago. "July 1, 1941, Volume 24, Number 6," Business Conditions (Federal Reserve Bank of Chicago) (July 1, 1941). https://fraser.stlouisfed.org/title/5562/item/539941, accessed on May 5, 2024.