Federal Reserve Bank of Chicago. "September 1942," Business Conditions (Federal Reserve Bank of Chicago) (September 1942). https://fraser.stlouisfed.org/title/5562/item/539955, accessed on May 8, 2024.
Federal Reserve Bank of Chicago. "September 1942," Business Conditions (Federal Reserve Bank of Chicago) (September 1942). https://fraser.stlouisfed.org/title/5562/item/539955, accessed on May 8, 2024.