Federal Reserve Bank of Chicago. "June 1942," Business Conditions (Federal Reserve Bank of Chicago) (June 1942). https://fraser.stlouisfed.org/title/5562/item/539952, accessed on March 29, 2024.
Federal Reserve Bank of Chicago. "June 1942," Business Conditions (Federal Reserve Bank of Chicago) (June 1942). https://fraser.stlouisfed.org/title/5562/item/539952, accessed on March 29, 2024.