Federal Reserve Bank of Chicago. "June 1, 1941, Volume 24, Number 5," Business Conditions (Federal Reserve Bank of Chicago) (June 1, 1941). https://fraser.stlouisfed.org/title/5562/item/539940, accessed on May 10, 2024.
Federal Reserve Bank of Chicago. "June 1, 1941, Volume 24, Number 5," Business Conditions (Federal Reserve Bank of Chicago) (June 1, 1941). https://fraser.stlouisfed.org/title/5562/item/539940, accessed on May 10, 2024.